Facebook
GL Springs | Custom Spring Manufacturer in China

Professional Certification

Our collection of honors highlights our outstanding achievements and continuous pursuit of high standards in our field. We take pride in receiving prestigious certifications

REQUEST MORE DETAILS

Please fill out the form below and click the button to request more information about
Name
Your Name
Business Email *
Company Name
Project Details
Tell us what you need. A drawing or complete specification is not required for an initial review.
Upload Drawing/CAD File/Sample Photo
PDF, DWG, DXF, STEP, CAD files or sample photos are welcome.

Are you a factory or trading company? Where is the company located?

We are a leading manufacturer of high-precision springs with IATF 16949 certification, located in Shanghai.

What materials do you use for springs?

We work with:

  • High-carbon steel (Grade 65Mn/70Mn) – most common for industrial use
  • Stainless steel (301/302/304/316) – corrosion resistance
  • Alloy steel (50CrV/55CrSi/60Si2Mn) – high-temperature resistance
  • Custom materials (available upon request)

Can you produce non-standard springs?

Yes! We specialize in:

  • Custom shapes (Conical, Barrel, Double torsion)
  • Special surface treatments (Electroplating, Powder coating, Electrophoretic coating)
  • Extreme-condition springs (High temperature / Cryogenic)

Can you match competitor samples?

We offer reverse engineering services:

  1. Send samples (3–5 pcs ideal)
  2. We’ll analyze material & performance
  3. Provide matched prototypes within 7 days

Do you provide free samples?

  • Existing catalog items (≤5 pcs): you only pay actual shipping cost.
  • Custom sample service: $50 refundable fee (deducted from future orders).

How long does it take for samples?

Typically 5-7 business days. Depends on your request.
Leave us a message
Name
Your Name
Business Email *
Company Name
Project Details
Tell us what you need. A drawing or complete specification is not required for an initial review.
Upload Drawing/CAD File/Sample Photo
PDF, DWG, DXF, STEP, CAD files or sample photos are welcome.
We use Cookie to improve your online experience. By continuing browsing this website, we assume you agree our use of Cookie.