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.
Our Certificates
CE
- Certificate Number:No. DPWD/2474/02/KE/26
- Issue Date:2026-04-02
- Expiry Date:2031-04-01
- Scope:his verification was carried out on a voluntary, based on the above-mentioned product document. The verification activities were carried out in accordance with the ICG internal procedure (DPWD). The manufacturer is fully responsible for the compliance of t
- Issued By:Intercert Global Sp. z o.o.
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