BIG BOLT NUT is an ISO 9001 certified company and has been manufacturing bolts and nuts in stainless steel, carbon steel and alloy steel since 1989.
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.