website:https://www.jhmindustry.com/
Shanghai Jian & Mei Industry and Trade Co., Ltd. is the company which manufacture and export fasteners and metal hardware, founded in 2006, with import-export authority. Now, 80% products export to all over the world and 20% sell in domestic market.
Shanghai jian & mei is a pofessional manufacturer of high strength bolts more than 8 years.They are include: Heavy Hex Structural Bolts, Heavy Hex Nuts, F436 Flat Washers, U-Bolts, Weld Stud with Ceramic Ferrule, etc