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We are specilized in all kinds ofcompression spring: 1.Wire diameter ofCompression Spring:0.2mm 3.2mm 2.Material ofCompressionSpring: 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 itisoneofourmain products goodqualityandcompetitiveprice wecanmakecompression spring accordingtoyourdrawings,specifications or samples ourqualityisgoodandthepriceiscompetitiveprice ifanyrequirmentsplscontactwithus hopewecanestablishlong-termbusinessrelationshipwithyou; Establishedin2004,XIAMENHONGSHENG- HARDWARESPRINGCO.,LTD. isamodernenterprisespecializingintheresearch,design,manufacture,saleandserviceofsprings.Ourcompanyhasfixassetsof50millionRMBandcoversanareaofabout4,000squaremeters.Atpresent,wehaveabout61employees,including5technicalpersonnelwithuniversityandcollegeeducationalbackground.Wehavemorethan10setsofcomputerizedcoilingmachines,awireformingsystem,1setofhot...good quality. good hardness and long service life. 5.TheseCompressionSpringis made by CNC spring's machines 6.OEM/ODM order is welcome. 7.Compression 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 compression spring ends.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. Compression spring are designed to create resistance to a compressive force. 1.Standard compression spring bodies are: - open-coiled - Helical shaped - Usually coiled with a constant diameter, though they can be produced in hourglass, cone and barrel shapes 2.Size for compression springrange from 0.2mm to3.2 mm. 3.Surface Treatments for compression spring: Zinc Plating,Chrome Plating,Nickel Plating,etc. 4.Made of carbon steel,piano steel,SUS,alloy steel,iron,plated steel etc.. 5.All kinds of surface treatments are available: polishing, zinc plating, nickel plating, chrome plating etc. 6.We have passed ISO9001:2008 and SGS certification. XIAMEN HONGSHENG - HARDWARE SPRING CO.,LTD. has been Manufacturing Technical Springs since 2004. Being a long time Partner of the Automotive Industry, the organization shares its Know-How and innovative ideas with the state of the art Technology in the manufacture of the products.