Bolts & nuts in 8.8 and 4.6 grade are used extensively in railways all over the world, it is mainly used in rail coaches and railways tracks. Our company manufactures all kind of bolts used in railways in carbon steel, alloy steel and stainless steel.
https://goo.gl/VS5TpX
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.