1.Qualified tensile strength and hardness
2.Approved by ISO9001, CE, SGS, BV, Form-E, CO , MTC Certificates
3. Quick delivery and standard wooden exporting package.
4. Low MOQ and Flexible Production Ability.
5.Support payment with T/T, L/C , paypal, kunlun bank, etc.
6. OEM and ODM, welcome customers to visit our factory for better understanding;
7. Our factory provide steel products with competitive price and reliable quality;
8. Value friendship and trustworthy, devote to provide long-term service to our distinguished customers.
EN 10270-1 High Tensile Strength Oil Tempered Spring Steel Wire,
EN102702: 2011 ;JISG3560-94; ASTM-A229-GRADEⅠ& ASTM-A230& ASTM-A231 & ASTM-A232 & ASTM-A401.etc
Making engine valve spring, clutch spring, oil pump nozzle spring, auto belt tightening pulley spring. Supporting spring
in piston ring,shock absorber spring.brakes, motorcycle shock absorber, safe-belt spring,etc


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