Shanghai Jinrui Norm Parts Supplies Co., Ltd. was built in 2001 which located in Baoshan District adjacent to the Bao Steel Group.Shanghai Jinrui is a fastener enterprise who owes a set of R & D,Website:http://www.chinajinrui.net, design, production and sales of high quality.With the managing principle of "exploration, innovation and pursuit of excellent quality",the company has successively introduced advanced multi-functional cold heading equipment, thread machine,nut machine and large-size hot heading equipment and supporting detection equipment, such as magnetic detection machines,metallographic analyzer,salt spray tester,etc. We can manufacture    various high quality fasteners which meet the GB, DIN, ANSI, JIS and ISO standard with a R&D department.Hex socket screw used in electric power facilities,electric appliance,chemical engineering mechanical equipment and so on.StandardGradeStainless steelFinshAsme standard hex socket screw Asme B18.32304white zincyellow zinc black oxideH.D.GDacromet...53168