Haiyan Shangjia Hardware Co., Ltd. was established in 2008,we are Professional China Non-standard shaped bolts Manufacturers and Non-standard shaped bolts suppliers, we focused on R & D and production of Non-standard shaped bolts and parts,Our company owns several sets of multi-station molding machines, respectively 84L, 134L, 135L, 14B6S and other ancillary equipment. We have a wealth of practical experience from product mold design to Non-standard shaped bolts production. Our company newly purchased automatic optical screening machine to further ensure the consistency of the finished product quality.Our Non-standard shaped bolts are widely used in automobiles, household appliances, furniture, construction and other industries. Non-standard shaped bolts are mainly exported to Europe and Japan
Haiyan Shangjia Hardware Co., Ltd. was established in 2008, has many years of non-standard bolts,screw production experience. Companies focus on non-standard bolts, screws and parts of the R & D and production for the product to save the second processing procedures at the same