Zhejiang Yichen Hardware Corp .started in 2014 ,is one of the biggest fastener company in Hai yan .Thefactory located in Haiyan ,Zhejiang province ,near Shanghai ,covering an area of 20000 square meterwith a built uparea of 14652 square meter . Yichen's major business is packing ,storage ,fastener produce and trading .Yichen has an auto-warehouseswhich can store 10,000 pallets ,can produce many kinds of fasteners according to ANSI ,DIN standards , such as :hex lag screw ,hex bolts ,carriage bolt ,nuts ,washers ,non-standard fasteners .Yearly productioncapacity is 20,000 tons . Yichen are using the ERP system to control the production process ,will continue to innovate to meettherequest of customers .90 %productshas been export to America ,North America ,Europe ,etc .