Certifications & Quality
Our Certifications & Quality Standards
At YYGL, we are committed to delivering optical transceivers that meet the highest international quality and safety standards. All our products undergo rigorous testing before shipment.
Product Certifications

ISO Certifications

Patents & Intellectual Property

Quality Assurance
- 100% optical and electrical testing before shipment
- Compatible with major brands: Cisco, Juniper, Huawei, HPE, Dell, and more
- 50+ countries served globally
- 10+ years of industry experience
Test Reports & Documentation
For detailed test reports, compliance documentation, or product datasheets, please contact us at yygl@yiyuanguanglian.cn.