Quality Control
- SUNZO has it’s own researching and development team and test center, has participate in rule-making of the latest national industry standards and the international ISO standards for disc springs.
- SUNZO has passed certificate including: ISO 9001,IATF 16949,ISO14001,ISO45001, and has got more than 40 patent of inventions.
- Owns core competitiveness, has a full set of industrial chain from key materials to key equipment and produce quality products.
- SUNZO has a beautiful working environment and full set of production equipment, has an area of 60 mu, own several production lines researched independently.
Certifications
Standard:
CE
Number:
No. DPWD/2474/02/KE/26
Issue Date:
2026-04-02
Expiry Date:
2031-04-01
Scope/Range:
his verification was carried out on a voluntary, based on the above-mentioned product document. The verification activities were
Issued By:
Intercert Global Sp. z o.o.
Standard:
45001
Number:
059026S00014R110
Issue Date:
2026-01-26
Expiry Date:
2029-02-07
Scope/Range:
Production and sales of disc springs, wave springs, irregular springs,Production and sales of disc springs, wave springs, irregu
Issued By:
Shanghai Huibo Certification Co.,Ltd
Standard:
ISO 9001
Number:
HBC2500122QR0M
Issue Date:
2026-01-26
Expiry Date:
2028-01-23
Scope/Range:
Production and sales of disc springs, wave springs, irregular springscompression springs, and stamped parts
Issued By:
Shanghai Huibo Certification Co.,Ltd.
Standard:
IATF16949
Number:
108542/A/0001/SM/ZH
Issue Date:
2020-01-11
Expiry Date:
2028-12-07
Scope/Range:
Manufacture of Disc Spring and Wave Spring(Excludes Product Design under Clause 8.3)
Issued By:
United Registrar of Systems (Holdings) Ltd
Standard:
14001
Number:
059026E00019R110
Issue Date:
2026-01-26
Expiry Date:
2029-02-07
Scope/Range:
Production and sales of disc springs, wave springs, irregular springs,compression springs, stamped parts, and related managemen
Issued By:
Shanghai Huibo Certification Co.,Ltd.
Company Profile
Jiangsu Sunzo Spring Elasticity Technology Co., Ltd
Contact Person: Mrswendy
