The China Intelligent Forging Equipment Design Institute has successfully developed the core components of the world's largest 355MN screw press - a screw and a nut.

In June 2023, China Intelligent Forging Equipment Design Institute successfully developed the core components of the world's largest 355MN screw press - screw and nut. The propeller has a diameter of 1320 mm and weighs 85 tons. Through finite element analysis, three-dimensional modeling and optimized processing equipment, the design institute has achieved for the first time that manufacturing precision, especially surface roughness, has reached and surpassed the international advanced level, completely replacing imports and supporting military industrial enterprises. eliminated latent security threats to national defense.