Cixi Jieheng Electrical Appliance Co., Ltd. (formerly Cixi Zonghan Xuming Electrical Appliance Factory and Cixi Qinqin Machinery Factory merged) was established in the early

Upsetting and cold extrusion are basically deformation processing under the same conditions, but the operation methods are different. Cold forging belongs to the

Fastener assembly must meet the requirements of assembly firmness. The most important point is that the fasteners cannot slip. The article analyzes and deals with the screw

I believe everyone is familiar with the shot blasting machine and knows its working efficiency. Do you know how it is made? Do you know how it works? Its main material is a steel plate, and the

1. What are the functions of shot blasting machine? 1. Remove the rust layer, oxide scale and welding slag on the surface of the metal workpiece. The surface of the metal workpiece after the

Vacuum heat treatment technology has the advantages of no oxidation, no decarburization and small distortion. It is also one of the main signs of the advancement of contemporary heat