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, petroleum, petrochemical, automobile, machinery, ship,Bridges, wind power and other infrastructure. In order to ensure product quality and the diversified needs of users, the company adopts advanced new production equipment and manufacturing workersArt, from raw material processing to every link of the production process are strictly quality control, to ensure that each product produced is in line with the country and industry standard.We have a price advantage for products of the same quality.In addition to the fasteners required for steel structure engineering, our factory also produces high strength grade DIN933/DIN931 bolts.Welcome customers from all over the world to visit our factory.