Wenzhou Aiguo Valve Factory is one member of China Current Mechanical Valve Association, the production unit appointed by China Chemical Industry Equipment Head-office, huge dragon in county business enterprise and one of 20 top enterprises in Chinese Pump & Valve Land, and the enterprise permitted to produce safety valve by State mechanical Industry Ministry. Its products respectively passed the AZ certification of State Technology Supervision Bureau, CE certification of E. E. C. Pressure Equipment PED and API certification of USA Oil Association.

The company produces more than ten kinds of products such as safety valve, butterfly valve, ball valve, gate valve, globe valve, and non-standard valve etc., the specification of products is over 2000 kinds. And can design and manufacture products according to the standards of ANSI, API, DIN, BS, JIS and GB. The valves are mainly made of these materials such as WCB, WC1, WC6, WC9, ZGCr5Mo, ZG15Cr1Mo1V, CF8, CF8M, CF3, CF3M, 12CrMoV, ZG1Cr18Ni9Ti, and ZG1Cr18Ni12Mo2Ti etc, its drive means cover the manual, worm wheel transmission, electric, pneumatic, liquid drive, and electric & liquid linkage etc., the normal pipe diameter is from DN 10-3000 to 1/2 inch. -40inch., the work pressure is from 0.6-42.0Mpa to 150Lb-2500Lb, the work temperature is from -196-+700.