Menu

Why Can We Always Ensure Excellent Quality

Quality Control

DOUBLE-LIN products quality are well controlled from raw material inspection, production inspection, accessories inspection, to finished products inspection. Strict quality inspections are conducted throughout the production process from beginning to the end.

Large proportion of the products are approved with international certificates such as CE, AGA, Watermark, ACS, EAC,DVGW, EN331 and WRAS

Certification

ZHEJIANG DOUBLE-LIN VALVES CO.,LTD. Certifications
ZHEJIANG DOUBLE-LIN VALVES CO.,LTD. Certifications
ZHEJIANG DOUBLE-LIN VALVES CO.,LTD. Certifications
ZHEJIANG DOUBLE-LIN VALVES CO.,LTD. Certifications
ZHEJIANG DOUBLE-LIN VALVES CO.,LTD. Certifications
ZHEJIANG DOUBLE-LIN VALVES CO.,LTD. Certifications
ZHEJIANG DOUBLE-LIN VALVES CO.,LTD. Certifications
ZHEJIANG DOUBLE-LIN VALVES CO.,LTD. Certifications
ZHEJIANG DOUBLE-LIN VALVES CO.,LTD. Certifications
ZHEJIANG DOUBLE-LIN VALVES CO.,LTD. Certifications
ZHEJIANG DOUBLE-LIN VALVES CO.,LTD. Certifications
Some recommendations for you
Model:LL1001
Certification:ACS,CE EAC
Contact Now
Model:LL3055
Certification:ACS, EAC
Contact Now
Model:LL4031
Certification:ACS, EAC
Contact Now
Model:LL1071
Certification:AGA, EN331, CE, EAC
Contact Now
Contact Supplier
Submit Requirement