Changjiang Fasteners Co.,Ltd. is a professional manufacturer of high-strength bolts and steel structural parts for steel structures. The main products are: Large hexagonal head high-strength bolts for steel structures, Torsional shear-type high-strength bolts for steel structures, and Cheese head studs for arc stud welding for steel structures, and European standard high strength bolts, Steel tie & pipe, Anchor bolts; Lock bolts; Waterproof roofing end caps, etc.. Widely used in high-rise steel structure constructions、industrial buildings、public buildings、bridges、railways、all kinds venues、airports、amusement facility、automobiles、power plants、petrochemicals and other fields. The company is currently focusing on research and development of high-strength bolts with delayed fracture resistance, automotive bolts, stainless steel bolts, American standard bolts, German standard bolts and Japanese standard bolts.