Wholesale Customized Spiral Torsion Springs For Rolling Shutter Doors Reliable

oem spring

1. Material: carbon steel, stainless steel, brass, music wire, X750, SUS301, SUS201, SUS302, SUS304, SUS316
2. Color: Gray, White, Black, Red, Colorful
3. Finish: Black oxidation, Zinc plating, Tin Plating, Nickel Plating, Silver Plating, Gold Plating.
4. With more than 28 years production technology experience.
5.  Accept custom design, Have a professional production team 
6. Through the ISO 9001: 2008 Qualification Certificate 
7. 100% guarantee the uncondition return or reproduction for quality problems
8. >100 PCS CNC equipments, >100 experience workers

Our Service:
1. Stamping parts
We make different kinds of metal sheet stamping parts.

2. Spring
We make different kinds of compression spring, torsion spring, extension spring and wire forming.

3. Plastic Parts
We make plastic parts used in drivers, lightings, electronic products.

4. Machining Parts
We have Japan and Taiwan made CNC machines to make different machining parts.

FAQ
1. Are you a factory or trading company?
We are more than 30 years factory since 1990 and our price is competitive. Welcome to visit our factory.

2. What's your main products?
We have full produce ability to afford custom stamping parts, springs, machining parts and plastic parts.

3. What's your advantage?
We build tooling/mold in own factory and can afford good price and high quality products.

4. How about your quality control?
We have X-ray and more than 20 sets equipments for QC. All the products will be 100% checked before the shipment.

5. How could I get a sample?
Free sample,you can take it from our factory by your express delivery or pay express fee to us to send you.

6. What is your warranty ?
Within 90 days after shipment if quality problem we will solve it well or we accept return of goods and refund your money .

7. Do you have any certification?
We are ISO9001 and TS16949 certificated.