Main Products
Specializing in the production of GB70, DIN912 hex socket bolts, GB5782, GB5783, DIN931, DIN933 hex bolts, GB1228, DIN6914 high strength hex bolts, GB27 Hexagon fit bolts, GB3632 torsion shear bolt, GB6170, DIN934 nut and T bolt, stud bolt, square bolt, countersunk bolt, lock bolt and other non-standard bolts ranges from M4~M100. We can produce fasteners of grade 6.8, 8.8, 10.9, 12.9, B7, L7 and B7M. The materials we use contain 35#, 40Cr, 35CrMoA, 42CrMoA, 25Cr2MoVA, 20MinTiB and all kinds of stainless steels. Our products are widely used in mechanism, construction area.