Double Twist Torsion Spring for Small Machinery

- Jun 14, 2017 -

Basic Info

  • Model NO.: MF051

  • Material: Stainless Steel

  • Usage: Industrial, Auto, Motorcycle, Home Appliance

  • Compression Spring Shape: Non-circular

  • Production Process: Cold Roll

  • Length: 14.5cm

  • Free Height: 5.5cm

  • Transport Package: Cartons

  • Origin: zibo,shandong, China

  • Function: Restoration

  • Extension Spring Material: High-carbon steel

  • Load Type: Torsion

  • Diameter Coil Spring: Small coil spring

  • Shape: Torsion-Bar

  • Wire Diameter: 5.25mm

  • Trademark: goldstar

  • Specification: ISO/TS16949

Product Description

Product details
Quick details:
high quality compression spring
Quality Standard: ISO9001, TS16949, SGS
Place of Origin:
Jiangsu, China
Usage: Industrial, aerospace
Wire Diameter: 8~22mm
Surface Finish:spray-paint
Load Type: Compression

Materialstailess steel, alloy, spring steel, carbon steel
Wire Diameteras your request
Outer Diameteras your request
Free Lengthas your request
Surface Finishwhite zinc, color zinc, nickel plating, chrome-plating, plastic spraying
Processing Crafthot roll, cold roll

Company Information: 
Founded date:
Established in 1983, and have 30 years experiences in spring production
Business Type: Manufacturer
Business Range: Tools&Hardware
Main Products: Spring, Elastic cell
Management System Certification: ISO9001, TS16949, SGS



Product Process:


  1. When did your company found? How many square meter does it cover?

Our company was founded in 1983, it covers an area of more than 7000 square meters.

  1. Are you trading company or factory? What's your main products?

We are a factory which specialized in manufacturing all kinds of springs. Our main products are coil spring, suspension spring, valve spring, oil seal spring, torsion spring, extension spring, snap spring, spiral spring.

  1. How much is your annual Production?

More than 800 million pieces.

  1. How about your current equipment?

We have more than 50 sets of 0.18-23mm advanced numerical control coil spring machines and mostly of our CNC machines are imported from Taiwan.

  1. How about your delivery time?

Normally our delivery time is 45 days (except the holiday and special bulk order).

  1. What's your main market?

Domestic, Europe and America, Russia, south America, middle east

  1. How about your yearly sales amount?

Around $10 million.

  1. Could you supply free samples?

 Yes, free sample is available for us (the sample and value should be according to our company rule).

  1. Do you have end user clients?

Yes, many companys in china which produce the automobile shock absorbers, we have been well cooperating with them for years.

  1. How about your plating?

Normally the product surface color is silver (Trivalent Zinc Plating). Black, yellow, red, green, blue also are available (Powder Spraying or Paint Spraying)

  1. What's your main product material? From which supplier?

Carbon steel and stainless steel. We purchase it from iron and steel group companies aroud Jiangsu and Zhejiang.

  1. How about the product marking?

Normally we use our company logo with "goldstar", also we could use customer's logo or without logo.

  1. How do you control your product quality?

All products have to go through six checks in the whole process:
1)material inspection; 2)product inspection; 3)routing inspection; 4)inspection before plating; 5)final inspection after plating; 6)inspection before delivery.

  1. How many technical engineers do you have?

We have 6 professional technical engineers.

  1. How do you deal with the clients' complaint?

We will give a response for clients' complaint within 24 working hours, based on the fact, we will give a satisfied answer to customers.

  1. How about your Package?

Products are protected with the plastic caps and then packed in carbon box.

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