1. The world's biggest floor spring manufacturer in China.Daily productionover 15,000PCS

2. The factory has three production base located in ZHEJIANG ,ANHUI,JIANGSU three province. The area cover 72,000 square meters.

3. Over 33 years producing experience. Ripe production process.

4. Impeccable testing system covered from raw material,components,semi-finished products.

5. HAIDA has own national test laboratory (Intertek Satellite Lab)to make sure the growth of our company.

Q: What is the minimum quantity ?
No MOQ,We can sell even 1PCS

Q: How long is the delivery time?
10 to 30days,depend on your order quantity

Q: Can you send samples before place the order
Yes,sure.we can provide samples for quality checking.

Q: Do you provide OEM service?
Yes,we do

Q: How about the payment terms ?
T/T,D/P,L/C,Paypal,Western union and cash all acceptable.

Q: How about your quality warranty?
When the products got problem during our warranty period,we will provide