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| product name | Heavy Duty Extension Springs For Trampoline |
| Color | Red/green /yellow /bule |
| Wire Dia | 0.1-25mm, as your requst |
| Surface treatment | Zinc-plated, , Electrophoresis Coating , Oxide Coating |
| Style of Ends | Closed |
| Certification | ISO 9001 :2008 |
| Delivery | Within 20 days |
| Product Keywords | extension spring,heavy duty extension springs,extension springs for trampoline |










Q:Are you trading company or manufacturer ?
A:We are the OEM factory in Jiangsu, China, and has more than 40 years experience in processing spring.
Q: What information should I give to you for inquiry?
A: If you have drawings or samples,pls feel free to send us,and tell us your special requirements such as material ,tolerance,surface treatments and the amount you need,ect .
Q:When is the delivery time?
A:Delivery will occur between 15 and 20 days from order date. Faster delivery time can be arranged if needed.
Q:Do you have any MOQ limit?
A:Yes. it depends on the products’size and production process.
Q: How can I get one sample for testing?
A:Free sample: We’d love to send you free samples which have in stock, and you just need arrange shipment.
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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