Enterprise products of Henan Aerospace Precision Work Manufacturing Co., Ltd.
All kinds of fasteners developed and produced by enterprises have been widely used in series of national defense models such as satellites, rockets, missiles and spaceships, and the supporting scope covers aerospace, aviation, weapons, electronics, ships, nuclear industry, machinery manufacturing and other industries. The titanium alloy fasteners of Shenzhou series manned spacecraft are all developed and produced by 694 Factory. At present, the types of fasteners that enterprises can produce are: bolts, nuts, rivets, pins, washers, fixtures and other special parts and special-shaped parts. Thread specifications range from M0.8 to M80, MJ3 to MJ30, involving more than 200 kinds of materials such as carbon structural steel, alloy steel, stainless steel, copper alloy, aluminum alloy, titanium alloy and high temperature alloy. In recent years, enterprises have attached great importance to technological progress, constantly increased independent innovation and research and development, and their independent research and development capabilities have been significantly improved. Among them, the self-developed thread deformation self-locking bolts and screws have obtained national patents; The titanium alloy and nickel-base alloy high locking bolts first developed in China have been successfully imported and applied to national key aircraft models. These high-performance fasteners are not only in the leading position in China, but also reach the contemporary technical level of high-performance fasteners in developed countries.