China Supplier OEM Heavy Duty Automotive Coil Springs extension spring constant force spring compression springs
Q: Are you trading company or manufacturer ?
A: We are factory with more than 14 years experience in metal parts.We have our own factory, warehouse,machines and test equipment and good service.
Q: How long is your delivery time?
A: Generally it is 10 days if the samples approved . It is according to the order's quantity.
Q: How is the warranty of the products quality control?
A: We hold the quality controlling from very beginning to the end and aim at 100% error free.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
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