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What are the deeds of the Eight Great Masters?
1, Peng Xianghua

Peng Xianghua, senior technician of tunnel blasting in the Second Company of China Railway Second Bureau, 10, has been working in the front line of engineering construction for more than 20 years, and has participated in more than 0 national key projects such as Hengnan Railway, Huang Shuo Railway, Heli Railway, Qinghai-Tibet Railway and sichuan-tibet railway (Lalin Section) 10.

He fought in remote areas of the motherland for many years, did not fear hardships, and devoted his youth and blood to the construction of the motherland.

2. Xu Liping

In order to cast the sword, the solid rocket engine, which has been "carving" gunpowder for 30 years, is the key component for launching manned spacecraft rockets and is called the "heart" of missiles.

Among thousands of manufacturing processes, engine powder forming is one of the most difficult and dangerous processes. Up to now, it can only be operated manually, and a slight carelessness will lead to an explosion.

3. Lu Renfeng

Armor is the primary requirement of tanks. Lu Renfeng, chief welder of China Ordnance Industry Group, is responsible for splicing all kinds of armored steel plates of tanks into a whole.

This welder, who is disabled in his left hand, has practiced welding skills only by his right hand, and has one-sided and two-sided manual arc welding skills.

4. Zhang Dongwei

Senior technician, mainly engaged in carbon dioxide welding and argon arc welding of LNG (liquefied natural gas) ship shell system.

Zhang Dongwei assiduously studied the shipbuilding technology and inherited the craftsman spirit, and became the backbone worker and blue-collar elite of the company's high-end product LNG carrier and the most advanced and difficult-to-build 45,000-ton container ro-ro ship in the world.

He used his fiery youth to compose a song dedicated to the construction of national marine equipment.

5. Week

Traditional poetry surgery is easy to damage the esophagus of patients. Zhou found another way, and built an invisible tunnel in the interlayer of the patient's esophageal wall, which not only alleviated the pain of the patient, but also made China's minimally invasive resection technology of digestive endoscope lead the world.

6. Zhou Yonghe

The FAST project has opened up new possibilities for human beings to explore the universe, but the construction difficulty is beyond imagination. After repeated thinking, Zhou Yonghe, an assembler, used the ancient idea of "Mozi compass" and the oriental wisdom that followed the trend to perfectly splice more than 4,000 panels to make a large spherical mirror that can talk to the stars.

7. Pei Yongbin

Pei Yongbin is a lathe worker in Harbin Electric Machinery Factory. He has mainly processed the elastic oil tank of hydro-generator for more than 30 years. When he touches the measurement with his finger, he seems to be able to see through it. When he challenged the CNC machine tool, the cutting was still perfect and accurate.

8. Ma Rong

Ma Rong is a top expert in RMB portrait carving. In the process of changing from traditional carving technology to modern digital engraving and plate making, she successfully completed the task of engraving and plate making, making the knife a saint and changing the pen into a champion.