qilong valve certficate


Wenzhou Qilong Valve are one of the most professional exporting manufacturers specialized in industrial valves 8 years is a customer focused company based on "Value-Add" and quality Service'principles.Achieving long term partnership with our customers and being their supplier of choice is our prime mission.

Qilong Valve are developing producing and marketing Valves,Flange,Forged and Casting and Accessories for variety of industrial application.

Qilong Valve approved DNV ISO9001:2000 quality system,AZ safety certification for pressure vessels,API 6D,API 607,CE0035 certification.