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Changzhou Liyu spring Co., Ltd quality control

Certification
China Changzhou Liyu spring Co., Ltd certification
China Changzhou Liyu spring Co., Ltd certification
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QC Profile

Strict Quality Management System & International Certifications

Quality is our top priority. We have established a comprehensive quality management system and strictly follow international standards throughout our production and inspection processes to ensure consistent performance and reliable product quality.

Our company is certified under internationally recognized quality management systems such as ISO 13485 ,ISO 14001:2015,IATF 16949,, and we can provide relevant certificates and test reports according to customer and industry requirements.

Throughout the entire manufacturing process, we implement strict control over raw material sourcing, production procedures, in-process inspection, and final product testing. Advanced testing equipment is used to verify dimensional accuracy, load performance, fatigue life, and surface quality, ensuring compliance with customer specifications and industry standards.

With a strict quality assurance system, our products are widely used in automotive, electronics, medical, and industrial applications, earning long-term trust from global customers.

Certification
  • China Changzhou Liyu spring Co., Ltd certification

    Standard:ISO 13485:2016

    Number:134948/A/0001/UK/En

    Issue Date:2024-05-19

    Expiry Date:2027-05-18

    Scope/Range:Manufacture of Spring Used for Non-implantation Active Medical Device

    Issued By:URS

  • China Changzhou Liyu spring Co., Ltd certification

    Standard:ISO 14001:2015

    Number:133979/A/0001/UK/En

    Issue Date:2026-02-27

    Expiry Date:2029-02-12

    Scope/Range:Environmental Management Activities related Manufacture of Cold Coiling Round Wire Springs (Extension Spring, Compression Spring and Torsion Spring) and Wire Forming Spring

    Issued By:URS

  • China Changzhou Liyu spring Co., Ltd certification

    Standard:IATF 16949:2016

    Number:135425/A/0001/SM/En

    Issue Date:2024-06-29

    Expiry Date:2027-06-28

    Scope/Range:Manufacture of Cold Coiling Round Wire Springs (Compression Spring and Torsion Spring) and Wire Forming Spring (Excludes Product Design under Clause 8.3) - [USI YMXM3E]

    Issued By:URS

Contact Details
Changzhou Liyu spring Co., Ltd

Contact Person: Mr. Zhiyuan Yu

Tel: +8613815003598

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