Quality Certifications

ISO 9001:2015 Quality Management System Certification

Dongguan Yuanbang Spring Co., Ltd. is certified with ISO 9001:2015 (GB/T 19001‑2016) quality management system.

• Certificate No.: 404QC250008R0S
• Scope of certification: Production and sales of hardware springs
• Valid until: Mar 09, 2028

We implement standardized quality control covering raw material incoming inspection, production process monitoring and finished‑product testing. Strict system rules guarantee consistent quality for both mass orders and customized spring projects.

Registered Trademark

Our brand YB 元邦弹簧 is an officially registered trademark (Registration No.: 80889243).

• Registration date: May 14, 2025
• Valid until: May 13, 2035
• Class 6: Springs (metal goods), metal tensioners and other metal hardware products.

All our self‑produced springs adopt this registered brand logo.

RoHS 2.0 Compliance

Dongguan Yuanbang Spring Co., Ltd. holds RoHS compliance certificate issued by Shenzhen Xunwei Testing Co., LTD.

• Certificate No.: XUNW260715501KC
• Test Report No.: XUNW260715501KR

Tested products: ISO 10243 Die Springs, JIS Die Springs, Coil Springs. Products comply with EU RoHS 2.0 Directive 2011/65/EU Annex II (EU)2015/863 & (EU)2017/2102.

All ten restricted hazardous substances were Not‑Detected, meeting EU environmental requirements. Full certificate documents can be provided upon customer request.