Our manufacturer mainly produces fasteners for steel structure engineering,like Tension Control Bolt, Torsion Shear Bolt, Heavy Hex Bolt,and Welding Stud,Anchor bolt an so on.
Hebei Jinan Fastener Co., Ltd. is a professional standard manufacturer in producing of shear stud and 10.9S hex bolt for the high strength , railway and steel structure standard and etc for nearly 25...