Handan Zhengfa Technology Co., Ltd  

Handan Zhengfa Technology Co., Ltd. is a modern enterprise specializing in the production of standard components such as steel structural bolts, high-strength bolts, large hexagonal bolts, torsion shear bolts, and welding nails. We guarantee quality, have sufficient inventory, and customize according to drawings. We produce all products in line with American ASTM, German DIN, Japanese JIS standards to meet the different needs of customers. The company′s total investment of 200 million US dollars, covers an area of 150 acres, the main construction of cold heading molding workshop, surface treatment workshop, raw material restructuring workshop, comprehensiveOffice building, smart exhibition hall and related supporting facilities. The company specializes in the production of high-strength hexagonal bolts for steel structures, torsional shear bolts, welding nails, Brace, anchor bolt and other steel structure supporting products, mainly used in high-speed rail, highway, railway, p... [View More..]