Certificates

Relying on strong technical force and perfect quality control system, our company has been certified by IQNet and CQC for compliance with ISO 9001:2008. Our export-oriented 3-66kV zinc-oxide lightning arrester has passed the tests in DNV KEMA Laboratories of the Netherlands.

Our 10-220KV polymeric housed zinc oxide surge arrester, 10-35KV overvoltage protector, 10-220KV composite insulator, 10-35KV drop out fuse cutout, and 10-110KV disconnector have all passed the type tests conducted by China's authoritative testing organizations, including National Quality Supervision and Inspection Center for Insulator and Arrester, Electrical Equipment Quality Inspection and Testing Center, etc. Also, the performance indicators of our products are better than those stipulated in relevant national standards.

ISO 9001:2008 Certificate GMC Certificate IQNet Certificate
Utility Model Patent Certificate for High Voltage Fuse Cutout

Design Patent Certificate for High Voltage Fuse Cutout

Inspection and Test Report for Composite Insulator for HVAC Overhead Line
Test Report for Composite Long
Rod Insulator for High Voltage Overhead Lines
Test Report for Composite Long
Rod Insulator

Test Report for Composite Long Rod Insulator

KEMA Type Approval Certificate for 3-66kV Metal-Oxide Surge Arrester KEMA Type Approval Certificate for 12kV Metal-Oxide Surge Arrester KEMA Type Approval Certificate for 24kV Metal-Oxide Surge Arrester
KEMA Type Approval Certificate for 33kV Metal-Oxide Surge Arrester

KEMA Type Approval Certificate for YH5W-12/36 Metal-Oxide Surge Arrester KEMA Type Approval Certificate for YH5W-24/72 Metal-Oxide Surge Arrester
KEMA Type Approval Certificate for YH5W-33/99 Metal-Oxide Surge Arrester KEMA Type Approval Certificate
for YH10W Metal-Oxide Surge Arrester
Test Report for Outdoor High Voltage AC Fuse

Test Report for Polymeric Housed Metal Oxide Surge Arrester
Without Gaps
Test Report for Polymeric Housed Metal Oxide Surge Arrester
Without Gaps
Test Report for Polymeric Housed Gapless Metal Oxide
Surge Arrester
Test Report for Polymeric Housed Gapless Metal Oxide Surge Arrester Test Report for Polymeric Housed Gapless Metal Oxide Surge Arrester Test Report for Polymeric Housed Gapless Metal Oxide Surge Arrester
Test Report for Polymeric Housed Gapless Metal Oxide
Surge Arrester
Test Report for Polymeric Housed Gapless Metal Oxide
Surge Arrester
Test Report for Polymeric Housed Metal Oxide Surge Arrester Without Gaps