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Shanghai Tianbao Fasteners Manufacturing Co.Ltd:1.Shanghai Tianbao Fastener Manufacturing Co.,Ltd founded in 2001,with total assets of 120 million yuan,registered capital of 25 million yuan,covers an area of 20,000 square meters , above 200 employees, over 20 technicians personnel, current annual product capacity 30,000 tons , heat -treatment 1350 tons monthly , annealing treatment 800 tons monthly.2.Obtained the certificate of : ISO9001:2008 quality management system TS-16949 automotive fastener certificate 3.Our main products: Hex nuts ( DIN934 ,DIN555,ISO4034,DIN915,ASTM 2H,IFI D-6,A563),Flange nuts (DIN6923),Nylon insert nuts(DIN985),Wheel nuts ,Hex bolts (DIN931,DIN933,ISO4014,ISO4017,DIN6914), Socket hex bolts (DIN912),T-BOLTS ,Washers(DIN125,DIN127,DIN6916),Thread rods (DIN975),Chipboard screws , Wood screws and so on .4.The strength grades range and raw steel material :CLASS 6, CLASS 8, CLASS 10, 2H, HV10, CLASS4.8, CLASS6.8, CLASS 8.8, CLASS10.9, HV10.9 and so on .SWRCH35K,10B21,,ML08AL,Q195,Q235,Q215,40Cr and so on .5.The production facility: 4 sets imported well type spheroidizing annealing furnace ,30 sets high-speed ,high-precision nut cold header from Taiwan, 1 set nuts cold header from Japan, 35 sets tapping machine ,17 sets bolts cold former, 7 sets screw rolling machine ,2 sets heat-treatment furnace, 8 sets draw bench.6.The testing instruments : tensile strength tester , hardness tester ,rusty resistant tester, metallographical equipments and impactive test machine and so on .Lengjiang Tianbao Fasteners Manufacturing Co.Ltd :7.Liengjiang tianbao fasteners manufacturing co.,ltd set up in 2006 ,in area of lengshuijiang economic development zone . It covers 500 acre area, registered capital 160 million, over 400 employees, annual product capacity of 150,000 tons . 8.The production facility : 31 sets nuts cold header from Taiwan, 30 sets tapping machines, 53 sets bolts cold former including 8 sets from Taiwan, 26 sets screw rolling machine, 9 sets draw bench, 3 sets annealing furnace, 6 sets heat-treatment furnace,.1 zinc plating line. current annealing treatment 940 tons monthly , heat -treatment 4200 tons monthly , galvanized capacity 990 tons monthly.