knowledge is power. This sentence is now vividly embodied in the cultural peasants in Muping District. They relied on scientific knowledge to lead the way and opened up a new world in which film and television directors started their businesses. According to rough statistics, about 80% of farmers in Muping District now rely on scientific and cultural knowledge to get rich.
Yantai General Corrosion-resistant Pump Co., Ltd. in Muping Economic Development Zone is just a small factory, but this factory is a bit special: First, director Li Shanwu studious name; Second, workers are farmers and laid-off workers.
Li Shanwu graduated from junior high school, from the original loans of 26,000 yuan to do hand-workshop, and now developed into a fixed assets of 5 million yuan, profits and taxes of 200,000 yuan business, rely on is to study hard and arduous pioneering. In Li Shanwu's office, we saw books in the book, "Modern Pump Technology Manual," "Machining Technology Manual," "Contract and litigation knowledge quiz" and other technical and legal aspects of the book, these books filled with blank space Lishan Wu's learning experience. Li Shanwu not only diligently studied modern science and technology knowledge and skills, but also established a worker learning system at the factory. Experts and scholars were regularly invited to give lectures to the factory so that all staff in the factory had mastered the necessary technologies for enterprise production. With the support of scientific and technological knowledge, Li Shanwu companies continue to leapt to a new level of development, a few days ago the company was identified as the provincial "keep the contract, reputable" unit.
Hydraulic Support System Seals
Hydraulic support seal
The seal of the Saifu lever hydraulic support is composed of a sealing ring, a retaining ring, a guide ring and a dustproof ring.
Sealing ring:Prevent leaks. Used in the category of hydraulic supports: drum ring, composite seal, mountain ring, bud ring, O-ring, etc. Generally rubber, polyurethane material.
Used together with the sealing ring, it has the functions of anti-crowding, guiding and reducing wear. It is generally made of phenolic XII cloth, 45% copper powder mixed with filled PTFE and other materials.
Guide ring:
It is a part used on the jack piston or piston rod to support the movement of the piston or piston rod. It can prevent the piston or piston rod from direct contact and friction with the cylinder during the movement, and protect the cylinder and the piston or piston. The rod is not damaged. Generally, it is polyoxymethylene, polytetrafluoroethylene and other materials.
Dust-proof ring: the main function is to go out and reciprocate the piston rod to expose the impurities attached to the outer surface of the cylinder, so as to prevent impurities such as external dust from entering the inside of the sealing mechanism. Generally rubber, polyurethane and other materials.
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