Shanghai Yaao Valve Co., Ltd. (YAAO), founded in 1991, are dedicated to be specialized in designing and manufacturing forged & casting steel valves from the very beginning. Over 20 years, Yaao Valve has become one of the leading manufacturers of steel valve in China and obtains high reputation for our reliable quality, professional service and competitive price in globe valve market. Our valves are widely used in various industries, such as Chemical, Petro Chemical, Oil & Natural Gas, Power, Refineries, Industrial Plants, pipeline transmission industry and many other industries.

Yaao Valve covers an area of 13400 square meters and the constructions area of 11000 square meters. Yaao Valve has fully integral in-house forged steel valves manufacturing facilities, with annual output of 15,000 tons of various types of forged & casting steel valves, which allows us to develop high quality products at a competitive price.

Yaao Valve manufactures a complete line of forged & casting steel Gate, Globe, Check, Ball, Butterfly valve in sizes from 1/2" to 48” NPS and in pressure from class 150 lbs to 2500 lbs(PN6 to PN420). Our products are compliant to the standards of API, ASTM and ASME. We have full production facility, and we have obtained CE certificate, API 602, ISO 9001 authorization and TS certificate.

Yaao Valve are exported to over 40 countries e.g. USA, UK, Germany, Italy, Iran, Russia, UAE, Singapore, Middle East, Brazil, South Africa, etc.

Yaao Valve has complete facilities of valve manufacturing.

Forge shops have full line of forging equipments including saw and shears, billet heaters, forge presses and hammers, trim presses and heat treatment equipment.

The machining shop has a complete line of metal removal equipment to manufacturing forged steel valves and fitting. Equipped with CNC lathe, miller, driller, planer, high precision grinder, welding equipment and polishing equipment.

Surface Treatment shops are equipped with full line of Phosphate