Multi-function tension spring

we are specilized in all kinds oftension spring:1.wire diameter of tension spring:0.2mm 3.2mm 2.material oftensionspring: carbon steel,alloy spring steel,music wire steel,and stainless steel,iron,plated steel,alloy steel ,bronze,red bronze,phosphor copper,and beryllium copper;etc. choose our tension spring: welcome custom design and OEM order, As the biggest spring manufacturer in xiamen area, you can expect these from us: Various of springs and wire form, even punch fitting of hardware. Usage:auto,motorcycle,industry,ariculture,mine,furniture,elevator and so on Wide range offered wire diameter from 0.2mm to 10mm High quality and competitive pricing. Small and huge orders as well as OEM/ODM areaccepted. Customised designs are welcome,so send us your specifications now. xiamen hongsheng Spring Factory specializes in producing various kinds of springs. Our factory occupies an area of over 1,000m2 with a floor area of 1,000m2. Weowe theadvanced equipment, modern workshops, strong technical strength and professional technicians. All our products are sold well around the world. Our springs are manufactured according to the state standard and have been authorized the testing certificate issued by ISO 3.surface treament for the tension spring:black oxide ,Zinc/Nicke/Chrome plating,power coating,oiled to prevent rust,passivate,etc. 4.good quality. good hardness and long service life. 5.thesetension springis made by CNC spring's machines 6.OEM/ODM order is welcome. 7.tension spring is usually made from samples or technical drawing,using your choice of material and to your custom configuration. 8.with different shape for the tension spring ends.just as cross center hooks / cross loopsc,extended machine hooks,standard machine hooks,reduced ends with swivel hooks,threaded inserts - draw bars,expanded hooks,rectangular ends,teardrop-shaped ends,v-hooks. 9.we have passed ISO9001:2008 and SGS certification.