Hebei Anda Machinery Co., Ltd. is located in Hengshui City, Hebei Province, with a working and supporting environment of...

A first level sleeve is a steel bar connecting sleeve with a tensile strength of 596Mpa or more. Simply put, a first lev...

Key points of cold extrusion process for steel sleeve: 1. During construction, it is necessary to correctly grasp the th...

Variable diameter steel bar straight threaded sleeve is used to connect steel bars of different diameters, such as build...