... Over 20years forging experience Construction Fasteners, Construction Buckles,Pipe Fittings Company introduction:1. Our company has advanced technological ... →surface treatment →product checking→ packing →deliveryForging MaterialCarbon Steel, Alloy steel,Stainless steelStandardISO, GB, ASTM, DIN, JISProduce EquipmentFriction Screw ... 2 days . Construction Fasteners,Construction Buckles,Pipe Fittings