CCTV1 — -1
20260920 120500 UTC
397 transcript segments
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[00:00:52] The second season of Chinese Craftsmanship will be broadcast exclusively by Industrial and Commercial Bank of China.
[00:00:57] Millennial craftsmanship,
[00:01:01] wisdom to create the future.
[00:02:05] A thousand years of craftsmanship looks at Made in China. This is "Chinese Craftsmanship", a large-scale industrial culture program jointly launched by China Media Group
[00:02:09] and the Ministry of Industry and Information Technology. Hello everyone, I'm your host
[00:02:13] Long Yang. Warm applause to welcome everyone.
[00:02:26] was carved onto bronze,
[00:02:30] Chinese people began a journey of creating quality
[00:02:33] with responsibility. From the "Kaogong Ji" (Records of Examining Crafts)
[00:02:37] more than 2,000 years ago, we see records of examining materials and measuring
[00:02:41] and assessing skills. Today, the spirit of "object-maker and official-in-charge"
[00:02:45] on major national artifacts, and the spirit of governing by objects and ruling by names
[00:02:49] has never been interrupted. Today, let us follow
[00:02:52] the historical trajectory to recognize those craftsmen in bronze ware,
[00:02:56] brick making, porcelain, and even the names on major national artifacts.
[00:03:32] Today, we are also very honored to invite experts from different fields to join us in
[00:03:35] tracing ancient craftsmanship wisdom and showcasing the beauty of contemporary industry.
[00:03:39] They are Zhang Gang, member of the National Manufacturing Powerhouse Construction Strategic Advisory Committee,
[00:03:43] and vice chairman of the China Standardization Expert Committee. Feng Lisheng,
[00:03:46] professor and director of the Institute of History of Science and Technology and Ancient Texts at Tsinghua University.
[00:03:50] Liu Rui, researcher at the Institute of Archaeology, Chinese Academy of Social Sciences,
[00:03:54] and vice president of the Chinese Qin and Han History Research Society. .
[00:03:58] People who do archaeology, who deal with artifacts all year round,
[00:04:03] will find that the provisions that genuinely link objects with
[00:04:07] responsibility and accountability only began to appear in the middle
[00:04:11] of the Warring States period. The earliest mention in books
[00:04:15] was in "Lu Shi Chun Qiu" (Spring and Autumn Annals of Master Lu) in the late Warring States period.
[00:04:19] In "Lu Shi Chun Qiu", it is recorded that "Wu Le Gong Min" (object-maker and official-in-charge)
[00:04:22] examines the completion. If there is any impropriety in the work, the blame
[00:04:25] is sought to the end. Simply put,
[00:04:28] it means carving the names of the craftsmen, the makers, and the overseers
[00:04:32] onto the artifacts, so that every artifact can be inspected,
[00:04:36] traced, and held accountable. Thank you, Teacher Liu.
[00:04:39] People who study history can often see traces of "Wu Le Gong Min"
[00:04:43] on artifacts. On pottery from the Neolithic Age,
[00:04:46] we can already see many symbols carved by craftsmen.
[00:04:50] Many bronzes from the Shang Dynasty have inscriptions,
[00:04:54] craftsman's names, and the name of the owner, indicating ownership.
[00:04:57] By the Western Zhou Dynasty, the inscriptions shifted to honoring craftsmen,
[00:05:01] from inscribing the owner's name to gradually inscribing the maker's name,
[00:05:05] but they did not take the crucial step from mere inscription to
[00:05:08] accountability. It was not until the Warring States period
[00:05:12] that this step was truly achieved.
[00:05:22] there are traces of "Wu Le Gong Min" everywhere.
[00:05:26] From traditional industry to modern industry, quality traceability
[00:05:29] and lifelong responsibility have been consistent.
[00:05:33] From item carving
[00:05:36] to laser marking, from manual checking
[00:05:39] to digitalization. .
[00:07:28] Shang Yang's Fang Sheng and Lu Bu's Ge, these two artifacts,
[00:07:32] though used for different purposes, both embody the ancients' respect for standards
[00:07:36] and responsibility, and encode the same cultural
[00:07:39] code: "Wu Le Gong Min." .
[00:07:44] Hmm. Products must be sought, and work must be improved.
[00:09:23] Where is Gong Bo? Gong Bo is here again.
[00:09:27] If there is a discrepancy in this batch, you are to remake it within three days.
[00:09:30] If there is any further discrepancy, .
[00:09:33] I have something I don't understand.
[00:09:43] Don't you
[00:10:14] fear ?
[00:10:17] Fear comes from respect, which makes us realize the heavy responsibility.
[00:10:21] Carving names on objects is to engrave the responsibility
[00:10:24] of our generation into the lives of the common people,
[00:10:28] and to settle their anxieties.
[00:10:30] Affairs that have been recorded in history cannot be covered up
[00:10:34] by emotions or laws. Therefore, the heart
[00:10:38] should not betray the common people, so there is no
[00:11:29] The ancients carved names onto objects; modern people embed responsibility
[00:11:32] into manufacturing. Times change,
[00:11:36] but the belief of serving the country with skills has not changed. Technology evolves,
[00:11:39] but the spirit of "Wu Le Gong Min" and craftsmanship remain.
[00:14:00] were embodied through Shang Yang's Fang Sheng, allowing us to feel its precision.
[00:14:04] And this precision is backed by responsibility, otherwise, it would just be an empty text.
[00:14:08] From a person's name to a whole system, next, let's see
[00:14:12] how the "Wu Le Gong Min" system was fully established
[00:14:16] in the Qin state. Let's welcome
[00:14:20] the Sichuan Provincial Institute of Cultural Relics and Archaeology with applause.
[00:14:24] .
[00:15:34] Let's take a look at the inscription on the surface.
[00:15:42] 9
[00:15:42] years
[00:15:50] This inscription has a total of three lines and 21 characters,
[00:15:53] with five levels of officials and two levels of supervision. Xiang Bang Lv
[00:15:57] Bu represents the central government and is the highest supervisor.
[00:16:01] Shu Shou Xuan represents the local government and is the direct supervisor.
[00:16:05] The central and local governments are bound by two lines.
[00:16:08] From Xiang Bang to Gong Jiang, there are five levels of officials, 21 characters.
[00:16:12] Whoever causes a problem will be traced back to.
[00:16:16] 21 characters, five levels of responsibility, from Xiang Bang to Gong Jiang,
[00:16:20] layer by layer, linked together. This gives us a more intuitive understanding of the "Wu Le Gong Min" system.
[00:16:24] I'd like to ask Professor Huang, with such a system,
[00:16:28] how did it gradually promote quality improvement?
[00:16:32] The system did not come out of thin air; it was built upon a large number of craftsmen's
[00:16:35] experiences. It was concentrated.
[00:16:39] In the "Records of Examining Crafts", it is recorded that one should examine
[00:16:42] the materials and processes to assess the skills. What kind
[00:16:46] of materials are most suitable for what kind of artifacts? However, even the best systems and standards
[00:16:50] ultimately need to be implemented in practice.
[00:16:54] Next, let's verify this through an experiment. Okay, let's get a direct feel for it.
[00:16:58] . Although these three artifacts
[00:17:02] 。
[00:17:10] are completely identical in form, size, and dimensions,
[00:17:13] there are differences in their manufacturing process and materials.
[00:17:17] .
[00:17:38] Sometimes he can even use this part
[00:17:41] called Ge, which is also applicable today.
[00:17:47] All right, let's do it. It's just me. Yes, yes, yes.
[00:18:05] All right. This is a feeling.
[00:18:19] Wow! It split open with one chop.
[00:18:38] From my personal feel, the weights are all pretty similar.
[00:18:42] Is it based on weight
[00:18:45] ? No, the key here is the alloy ratio.
[00:18:49] The "Records of Examining Crafts" records that four parts of copper and
[00:18:53] one part of tin are used for Ge. Copper is 80%,
[00:18:56] tin is 20%.
[00:18:59] This makes its hardness and toughness the most standard.
[00:21:20] With the name, the chain of responsibility becomes clear. Every
[00:21:23] process is overseen by someone. This is the origin of the modern
[00:21:27] traceable system. Thank you, Teacher Zhang.
[00:21:31] . From systems to standards, from standards
[00:21:35] to physical objects, the ancient "Lu Bu Wei Ge" (Lu Bu's Spear) allows us to feel
[00:21:39] the surging and unwavering power of civilization. That is a country
[00:21:42] that had already established this more than 2,000 years ago.
[00:21:46] . .
[00:24:20] Hmm. These symbols, we tend to believe,
[00:24:24] were likely drawn by the Nanyue people themselves. It's not ruled out that the Nanyue people had their own writing system,
[00:24:28] but it was later lost.
[00:24:32] Thank you, Teacher Liu, for your wonderful explanation.
[00:24:44] to the systematic construction at the institutional level, this was actually another
[00:24:48] qualitative leap. Teacher Zhang.
[00:25:17] More importantly, he linked personal honor to product quality.
[00:25:20] A name is a lifelong treasure. This has transcended the constraints
[00:25:24] of the system and risen to the level of cultural identity.
[00:25:28] This logic is still inherited
[00:25:32] in today's quality management system.
[00:25:44] Whose name should be carved on it then? This leads to division of labor and collaboration.
[00:25:47] .
[00:25:50] In the Warring States period, handicrafts also developed rapidly,
[00:25:54] and technology became more mature
[00:25:58] and complex.
[00:26:00] .
[00:26:05] It recorded five types of artisans: woodwork, metalwork,
[00:26:08] leatherwork, dyeing, pottery, and jade carving,
[00:26:12] six categories of craftsmanship and techniques, nearly 30 types of technical
[00:26:15] trades, requiring the cooperation of multiple trades to complete many
[00:26:19] artifacts. If there is a problem in one link or one process,
[00:26:23] then the quality of the entire piece will be affected.
[00:26:27] So in such a collaborative project with so many people, whose responsibility
[00:26:31] is it, and whose name should be carved? This is based on
[00:26:35] the system of the "Ci Zhe" (inspector). The craftsmen who actually make it have
[00:26:38] the "Ci Zhe" (inspector), and the management department also has its responsibilities. For example,
[00:26:42] the Terracotta Warriors unearthed from the mausoleum of Qin Shi Huang, the Terracotta Warriors,
[00:26:46] which are a marvel of the world, contain the "Wu Le Gong Min"
[00:26:50] system. Let's first watch a short video to see the secrets
[00:26:54] hidden in the names on the Terracotta Warriors. .
[00:27:20] that your skills in Yue's generation are famous.
[00:27:21] Neighbors all say you molded the pottery tiles, big brother?
[00:27:28] I've been molding clay with my grandpa since I was little. More than half of the kilns in the surrounding areas
[00:27:38] are from my hands. This time, I was able to come here to make
[00:27:42] warriors. I also owe it to Brother Zhao for recommending me.
[00:27:45] .
[00:27:46] This is truly a blessing for a small person.
[00:27:50] Don't you see? A warrior
[00:27:53] is built layer by layer from the footplate at the bottom.
[00:27:57] First, burn the footplate. Then, build the feet on the plate.
[00:28:01] The feet are solid and support hundreds of catties of weight.
[00:28:05] When it reaches the waist, change to coiling strips of clay to build up.
[00:28:08] Finally, attach the head and hands.
[00:28:12] From head to toe, it stands on that plate
[00:28:15] and cannot be moved easily. If any section goes wrong,
[00:28:19] the whole warrior has to be rebuilt. Each person is responsible for a section,
[00:28:22] which saves trouble and makes it faster. Saves trouble.
[00:28:26] You'll know when you try it. Your position is there. From today
[00:28:30] on, you will specialize in making feet.
[00:28:32] Feet? Isn't that too simple? In my hands, it's a matter of two or three strokes.
[00:28:36] Simple. A matter of two or three strokes.
[00:28:40] .
[00:28:46] One step and it falls. Don't underestimate these feet.
[00:28:49] .
[00:28:54] Master, look. This time it's done, right?
[00:28:56] .
[00:29:03] No matter how well the surface is repaired, if the base cannot withstand the force, it's useless.
[00:29:06] The clay in this foot is not compressed.
[00:29:10] It looks neat now, but when you start building the legs and torso
[00:29:14] on top, the entire warrior will
[00:29:17] lean this way. Warriors in the army cannot just seek quickness.
[00:29:28] . If you understand, then redo it.
[00:29:33] Remember, it's not enough for it to just look right.
[00:29:37] If the foundation is unstable, the more you build on it, the bigger the mistake.
[00:29:41] .
[00:29:56] not even a thread less. How much skill is hidden
[00:30:00] in this small ball of yellow clay?
[00:30:03] What we are molding in our hands is not clay, but people,
[00:30:05] brave and vigorous warriors of the great Qin
[00:30:21] with no way back. Behind us is our home and country, and before us
[00:30:25] is life and death. Let me ask you, do you want
[00:30:28] to become a qualified craftsman?
[00:30:45] This is called "Wu Le Gong Min." For all manufactured items,
[00:30:47] where it came from and who supervised its making must be recorded.
[00:30:50] If something is made incorrectly, or if there are any problems later,
[00:30:54] as long as you find this name,
[00:30:58] you can find out everything clearly. If it's made well,
[00:31:02] the credit is given under the name. If there are faults,
[00:31:10] . .
[00:31:14] The name carved on this
[00:31:18] is the company's name. Every process done by subordinates
[00:31:22] is ultimately borne by this name.
[00:31:26] .
[00:31:29] So carving a name is not just for posterity,
[00:31:32] but for responsibility. You once asked me when
[00:31:35] you could also carve your name on something.
[00:31:39] . This warrior, from
[00:31:43] head to toe, is yours.
[00:31:47] Today, you can bear this responsibility.
[00:31:51] You can do it.
[00:32:12] Our warrior brothers come from different regions.
[00:32:29] The masters from all directions worked together. Why can they be arranged into such a strict and grand formation? Because of rules. And because of our hearts as craftsmen. Brother Zhao. Will our names
[00:32:32] be remembered?
[00:32:34] .
[00:33:02] he is responsible for everyone's work. Indeed, the name carved
[00:33:06] signifies lifelong accountability. Therefore, today we have specially invited
[00:33:10] a guest to explain the mysteries of the Terracotta Warriors in detail.
[00:33:14] Let's give a round of applause.
[00:34:15] is this body. Is the real Terracotta Army also divided by labor in this way? From archaeological discoveries,
[00:34:19] this division of labor in the Terracotta Warriors is very clear. A single
[00:34:23] Terracotta Warrior from head to toe cannot be completed by one pair of hands.
[00:34:27] The torso is built up layer by layer using the coiling method, the head is sculpted separately,
[00:34:30] and the arms and legs are also
[00:34:34] made separately. Finally, they are glued
[00:34:38] and assembled into one piece. Each artisan specializes
[00:34:42] in their own skill and fulfills their responsibility. .
[00:38:26] .
[00:38:57] It took a total of 28 years to build. We
[00:39:01] currently have an estimate, but the remaining length of the Ming Dynasty city wall is
[00:39:04] 35.267 kilometers. We still have
[00:39:07] 25.091 kilometers. We once made statistics. How many
[00:39:11] bricks were used for this city wall? Each brick
[00:39:15] was transported from five provinces in the middle and lower reaches
[00:39:19] of the Yangtze River, but in the Ming Dynasty, it was 35 prefectures,
[00:39:23] 11 prefectures, 174 counties, and
[00:39:27] others.
[00:39:57] This is a Ming Dynasty brick from Huangzhou Prefecture, Qizhou, Qishui County.
[00:40:01] This is the brick with the most levels of official inscriptions currently found
[00:40:05] on our city walls. It has a total of 11 levels
[00:40:08] of officials, which means that the names of all 11 levels of officials responsible for this brick
[00:40:12] are inscribed on it.
[00:40:19] these three levels have six names on them. This means there are six levels of people.
[00:40:23] In addition, the workers include
[00:42:40] I brought a Ming Dynasty brick from the museum.
[00:42:43] Everyone can do some tests. In addition,
[00:42:47] we also brought a replica brick,
[00:42:59] has a plastic side and a rubber side. We also use such
[00:43:03] small hammers to test the bricks. It will not
[00:43:12] This is in line with our regulations. We are protective. How old is this brick?
[00:43:16] About 650 years old. So, imagine
[00:43:20] how excited I am today. I'm using this hammer to tap
[00:43:24] this brick that our craftsmen made more than 650 years ago.
[00:43:27] .
[00:44:07] one is louder. Brighter.
[00:46:40] Then there's also the kiln master and kiln manager. This is specifically
[00:46:44] for firing kilns, which also requires a lot of technical expertise. So there are two
[00:46:47] people from your family here.
[00:46:48] .
[00:48:26] Welcome, Teacher Zhang. What kind of experiment
[00:48:28] will you bring us today? We
[00:48:32] did some physical mechanics experiments. This one
[00:48:35] is for measuring the hardness of bricks. If its surface is scratched, then its rebound value
[00:48:39] will be smaller. This is called a rebound tester. And this one
[00:48:43] is called an ultrasonic testing instrument.
[00:49:23] About 40. As you can see. Now the ultrasonic
[00:49:26] waves. This is like giving the brick a physical exam.
[00:49:30] Yes. You see this speed
[00:49:34] is 1.8,
[00:49:47] values? 1.836,
[00:49:50] 1.786, 1.786. So let's have
[00:50:52] .
[00:50:57] Welcome, Teacher Xiao Wang.
[00:52:31] Nanhai No. 1, and other such things.
[00:53:35] Crossing the Strait of Malacca to the Indian Ocean, like these countries in South Asia
[00:53:39] and regions, and the Persian Gulf. All the way to
[00:53:43] the East Coast of Africa.
[00:54:35] It says "Jinan Liu Family Gongfu Zheng" (Jinan Liu Family's Gongfu Needle).
[00:54:39] Oh, it's selling steel needles. There's a rabbit
[00:54:42] in the middle. Which rabbit? This side says "Ren Men Qian" (Ren Men Money),
[00:54:46] "Bai Tu Er Wei Ji" (White Rabbit as a Mark). So, if you want to buy needles,
[00:54:50] you should go to Jinan, this Liu
[00:54:54] Family's "Bai Er Zi Hao" (White Rabbit Brand) to buy my needles. If another family also
[00:54:57] calls itself Liu Family Needle Shop, then you should pay attention to whether their shop has the White Rabbit pounding medicine image.
[00:56:05] This system has been established for thousands of years and still influences today's modern industrial
[00:56:09] manufacturing. .
[00:56:12] The Fuxing Hao (Rejuvenation) high-speed train embodies the "Wu Le Gong Min" of the new era.
[00:56:16] Next, let's welcome Yao Zhihui, senior technician and electrician
[00:56:20] from the Fuxing Hao assembly line, to explore the "Wu Le Gong Min" in the Fuxing Hao
[00:56:43] Welcome, Teacher Yang. Hello everyone, I am an assembly worker for the Fuxing Hao.
[00:56:53] So, in your opinion, how do you think the Fuxing Hao embodies the "Wu Le Gong Min"
[00:56:57] in its manufacturing? In fact, in the production process
[00:57:01] of the Fuxing Hao, every process has "Wu Le Gong Min."
[00:57:49] The Fuxing Hao high-speed train project won the National Science and Technology Progress
[00:57:53] Award, Special Prize. Since it began operation, it has accumulated
[00:58:10] officer. Today my mission is to delve into the Fuxing Hao,
[00:58:13] the entire manufacturing process, and uncover the clues hidden deep within the high-speed train.
[00:58:52] CL plus five digits
[00:58:54] This component is called measurement, CL
[00:58:56] is its Chinese pronunciation
[00:58:58] It starts from 0001, accumulating numbers
[00:59:02] Then the names of the craftsmen of each relevant department are recorded in the new drawing
[00:59:06] Why is there such a flow? Because at a speed of over 300 kilometers per hour, the impact force on the vehicle is all borne by the structure.
[01:00:53] every cable will have a
[01:01:01] then the tools assembled on and under the train
[01:01:05] are the nerves and blood vessels of the train. For the tens of thousands of cables on the vehicle,
[01:01:09] we will attach a dedicated work number and label,
[01:01:12] ensuring that any connection
[01:01:20] made artifacts and carved names for accountability, and now
[01:01:24] they attach labels to pipes and processes. Behind these small labels
[01:03:05] for a single screw to the technical breakthroughs in core components,
[01:03:09] and then to the mass delivery of complete vehicles, financial guarantees allow
[01:03:13] each enterprise to focus on public welfare
[01:03:20] of the Fuxing Hao. It is no longer just an inscription on an artifact,
[01:03:23] but a biometric data fingerprint, lines of cloud logs,
[01:03:27] and real-name registrations.
[01:03:53] After watching the short film, I was truly deeply moved. High-end manufacturing needs stable development, top-notch
[01:03:57] craftsmanship, and smooth financial guarantees. Both are indispensable.
[01:04:01] From the entire process of the Fuxing Hao, we can see that "Wu Le Gong Min"
[01:04:05] has a brand new way of opening up in modern factories. That is,
[01:04:08] the craftsmen dedicate themselves to guarding safety,
[01:04:12] so that every signed
[01:04:27] responsibility is deeply embedded in every step.
[01:05:50] value that needs to be applied to each part of its screws is different.
[01:05:54] Therefore, we use this intelligent torque wrench
[01:08:34] It was the first independent exploration of EMU technology in China. From the entire vehicle body
[01:08:38] structure to the equipment and tools on the train, everything relied on domestic production.
[01:08:53] KDZ1, the preceding letters are the initials of our Chinese pinyin, and we have two explanations for it. One of them is a joke among ourselves, we say,
[01:09:20] KKDC.
[01:09:23] In the 1980s, there was no digital system, but at that time, when we recorded archives, it should have been handwritten, right?
[01:09:37] drawing archive. It also introduces
[01:09:39] KDZWE's entire R&D process. Hmm. .
[01:10:12] Professor Xu, you can see the bottom right of our drawing, such as our
[01:10:16] drawing personnel, review personnel, yes,
[01:10:41] we can see our electric kettle.
[01:11:13] Adopting advanced technologies such as ultra-island materials is currently our
[01:11:16] country's completely independent research and development of ultra-fast transportation equipment.
[01:11:26] such as the blue model in front of us,
[01:11:30] which is our hydrogen energy urban rail train. We
[01:11:34] also have hydrogen energy cultural tourism trains, and the fastest
[01:11:37] hydrogen energy EMU.
[01:13:35] the solemn commitment of "Wu Le Gong Min" in the new era at every node
[01:13:44] what it felt like to participate in the Bird's Nest project.
[01:13:48] That experience must have been a milestone for you, right?
[01:13:52] . It's a project that is not understood.
[01:15:54] I want to know
[01:18:19] I built the Bird's Nest for my country, but when the actual
[01:18:28] opportunity was very precious to them. They learned a lot of
[01:18:42] explored this welding technique
[01:18:46] and created a classic model of ultra-thick
[01:18:49] welding. The Bird's Nest's welding seams are
[01:19:42] who, with their love for the country, completed a world-class
[01:19:54] file folder you brought today?
[01:21:02] a steel dragon
[01:21:47] Hello, Teacher Ke. I think it's necessary to take some time to introduce
[01:21:51] Teacher Ke Fei's
[01:21:59] and development of our country's first hard rock TBM,
[01:22:03] achieving a breakthrough from zero to one in domestically produced hard rock TBMs.
[01:22:07] Afterwards,
[01:22:09] he presided over the research and development of the world's first dual-structure hard rock TBM "Xueyu Xianfeng" (Snow Jade Pioneer),
[01:22:13] the first domestic high-pressure waterjet
[01:22:16] hard rock TBM "Longyan" (Dragon Rock), and the world's first ultra-small radius
[01:22:20] hard rock TBM "Wendeng" (Wen Deng) and many
[01:22:23] other hard rock TBMs.
[01:22:45] of the name
[01:22:52] the difference between this hard rock TBM
[01:23:20] Today, we also have a TBM on stage. .
[01:24:01] This is a very encouraging thing, and I know that Hefei Hao is also the first domestic
[01:24:05] hard rock TBM named after a person.
[01:26:25] Once we encounter problems in the design and production environment,
[01:26:29] we can go into the system and find a very
[01:26:31] strict and traceable chain of responsibility.
[01:26:35] .
[01:26:36] No slack, no breaks.
[01:26:40] We have established a three-pronged quality control system. . Even if it's about to leave the factory, as long as it's discovered,
[01:26:44] .
[01:26:47] That is, as the operator, after you finish, .
[01:27:20] you must perform self-inspection according to the standard.
[01:27:24] The second is that our operators must cross-check each other.
[01:27:27] The third is the inspection by professional inspectors. If any of these three inspections are not qualified, the product will not be shipped.
[01:27:31] I think this is definitely an upgraded version of the ancient "Wu Le Gong Min" because "Wu Le Gong Min" checks the composition of the body.
[01:27:40] inspection, examination, testing.
[01:27:50] Behind a major national artifact
[01:27:57] salute all the builders on the front line.
[01:28:01] Thank you for coming to our show. Thank you.
[01:28:14] your trusted bank by your side. .
[01:28:18] The second season of Chinese Craftsmanship
[01:28:21] is exclusively sponsored by the Industrial and Commercial Bank of China.
[01:28:25] . Millennial
[01:28:28] craftsmanship, wisdom to create the future.
[01:29:34] From the law of coin prevention to the words of the last month, Boron Gong Min achieved
[01:29:57] from the traces of ingenious craftsmanship
[01:31:03] Millennial craftsmanship, wisdom to