place of origin
Fujian, China
material for torsion spring
stainless steel, spring steel, carbon steel, 65Mn, music wire
torsion spring surface treatment
chrome,zinc,nickel,gold,silver plating,black oxided, paint spraying
torsion spring certificate
ISO 9001,ROHS,CE
torsion spring appliance
automotive,electrical equipment, household appliances, furniture
torsion spring category
compression springs, compressed springs, coil springs, spiral springs
terms of payment for torsion spring
T/T, D/P,D/A, L/C, WESTERN UNION,Paypal
torsion spring means of transportation
sea transportation, air transportation, railway transportation
torsion spring export countries
USA, Canada, England, Australia,New Zealand and so on