tension springs

tension springs 1.Certification:ISO9001:2008 2.Application:cars,electonic and leectric appliance,furniture,computer,light-fixture, stationery,jewelry,optical equipment,sports equipment,girts,and remote control,etc. 3.Material:stainless steel,carbon steel,aluminum,iorn,copper,manganese,etc. 4.Surface Treatment:zinc plating,nickel plating,chromium plating,and other related metal materials. 5.Making Process:CNC machining,Turning,Drilling,Polisheing,Tapping,Threading,Burnishing, Slab Milling,Face Milling and End Milling. 6.Wire Diameter Range:0.05mm-10mm 7.We are specialized in manufacturing hardware metal product over 10 years. 8.All parts can be designed and maunfactured by our customers' drawings adn special requirements. 9.Various Industrial Spring/Auto Spring/Extension Spring manufactured by CNC machinary. 10.ROHS compliant,reliable quality and best service. 11.Drawings and samoles be welcomed,we assure you of our best intentions and closest cooperation.