1.Main Size: 1/2"-4", or M12-M100
2.Material:Carbon steel or alloy steel;
3.Standard: ASTM A193 A194 A320 A453
4.Surface finishes:Zinc-plated(Black or Plain), Hot dip galvanizing, Dacromet,etc.
1. Certificated to ISO9001:2008;
2. High quality products, competitive price and on-time delivery;
3. OEM is available.
Shanghai Shenguang High Strength Bolts Co., Ltd, is located at Shanghai Lingang Equipment Industry Zone, a national capital equipment industrial park. Our factory is a professional fastener manufacturer in China, producing both standard and customized components for special steel fabrication and completed wind power system.
The company has an annual capacity of 15 million sets of high strength bolts and boasts special tooling as well as lab test instruments for producing high strength bolts applying to completed wind power system. Currently, we are the top fastener supplier to domestic wind power OEM, having provided 12000 sets of components for completed wind power system.
Factory is certified by ISO9001:2000 quality system. We only select high quality alloy structural steel as raw material and deploy advanced both cold forging and hot forging process along with reliable quality