China has been developing and producing vacuum heat treatment furnaces such as oil quenching and gas quenching in the 1970s, and has produced a number of manufacturers of vacuum equipment, such as Beijing

With the continuous deepening of social construction in our country, sheet metal parts are gradually applied in people's lives. Normally, sheet metal processing is a process of cold working with thin metal

One: the gap between the outer positioning and the material edge, 1. The wool material: the positioning gap is maintained at 0.2mm or more 2. The shape positioning after trimming: a: with internal positioning

①The stamping products have good quality, such as smooth surface, high precision, stable size, good interchangeability; light weight, good rigidity, high strength; stamping process can also process