| 1.wire diameter | 0.3mm-8mm |
| 2.Material | Carbon steel(SWC),music wire or piano wire(SWP), 60Si2Mn, 55CrSi etc. |
| 3.MOQ | 100pcs |
| 4.Equipment | CNC coil machines & fatigue tester |
| 5.Delivery time | in 30 days |
| 6.Supply ability | 1000000/year |
| 7.Packing | GOLDSTAR/Neutral Packing |
| 8.surface treatment | Sprayed plastic&shot peening |
| 9.Inspection | Fatigue test |
| 10.Usage | Railway locomotive,Industrial,Auto |
| 11.Period validity | one year |
| 12.The material and specification could be chosen by customers | |
| 13.Certain distount offered with large quantity. | |
| 14.We provide the excellent quality and the low price,punctual shipment. | |
Our advantages:
1: High quality with competitive price.
2: customized various spring according to your requirement
3: Abundant working experience with world-class customers.
4: Strong and efficient international sales' service
Materials:compression spring, extension spring, torsion spring are manufactured from a wide variety of materials including music wire, hard drawn, oil tempered, galvanized wire, stainless steels and phosphor bronze, as well as exotics such as pre plated materials (gold, silver, tin) inconel, chrome vanadium and many others.
Equipment:
State of the art CNC wire forming capability as well as conventional springs coiling machines..
Normal ratio between wire diameter and inside diameter is 1: 2.5, and we have Successfully achieved 1: 1
Company Information:Founded date: Established in 1984,and have 34 years experiences in spring production
Business Range: Tools&Hardware
Main Products: Coil Spring
if you are interested in our products, you may send emails with your drawings and specifications about the spring you need to us. The details of springs include wire diameter, outer diameter, free length, total turns, active turns, material, surface finish, quantity, and wire diameter,outer diameter, total turns and quantity is very necessary.
Examples of compression springs specifications:
Our suspension springs are very widely used in many motorcycle and automobile types, and we always do well in our clients' custom requirements, include small springs and wire springs for different purposes.
Why choose Goldstar?
- Excellent team: 3design engineers,2 Quality inspectors,55 Workers                       Â
- Superior Quality: Have obtained ISO/TS16949
- Excellent Raw material : best steel wire from Sinosteel zhengzhou research institute of steel wire products co. ltd ; Steel shot from Qingdao sinto Machinery Co.,Ltd.
- Competitive price compared with others with same quality
- Â Comfortable after-sales service
- Â Great Supports for marketing
BUSINESS FAQ
1. Can I negotiate the prices?
Yes, we may grant discount for FCL of mixed products or bulk orders of individual products. Sometimes, we may launch some promotion, more discount would be granted.
2. What is the minimum order quantity?
The MOQ of spring has been indicated on the product page, we can accept small orders, prices will be higher, though.
3. How long do you need for production and delivery?
Normally, for regular designs and models, we need 20-30 working days to produce after receive your deposit and all order details are confirmed. Different order quantity, different delivery time, please confirm with us when you are ready to place an order.
Transportation by sea or by air, Customs clearance and inland transportation will need, another 20-30days. So please place orders in advance to make sure you have products to sell on busy season.
4. Payment terms:
Standard term is 30% deposit by T/T in advance, pay the balance before shipment. Long-term business partners can get better terms like LC, N.E.T
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