ZHEJIANG COTECH VALVE CO., LTD was established in 2005, located in the hometown of oversea Chinese Qingtian Lishui City, Zhejiang province, which is a vigorously innovative
check valve specialist.
The company comprises a well-equipped CNC machine workshop with full design, manufacture, inspection and test facilities. Through the constant development last decade,
the company have been well-known as wafer check valve market leader in China and abroad.
The company have set up perfect quality management and acquired ISO 9001 certificate issued by LR (Lloyd’s Register of Shipping), CE/PED certificate issued by LR, API594 & API6D certificate
issued by American Petroleum Institute, and Special Equipment Manufacture License issued by Zhejiang Provincial Administration of Quality and Technology Supervision, and the company also
have obtained several national invention patents on valve design and appearance.
The company provide high performance check valves for petroleum, chemical engineering, metallurgy, light industry, power station, water supply system, oil transportation, natural gas and
long distance transportation pipe projects. The company mainly supply 5 sorts of standard and non-standard products, which the diameter range from DN15 to DN2200(1/2＂-88＂),
nominal pressure ranges from 1.6Mpa to 42.0Mpa(150Lb-2500Lb), and the operating temperature ranges from -196℃ to 750℃. Valve material contains carbon steel, stainless steel,
alloy steel, Monel, bronze and other special alloy material. Based on the excellent sales network domestic and abroad, we have internationally exported our products to
all over 30 countries and regions. The company win enviable reputation with our steady quality, timely delivery, competitive price and prefect service.
“Scientific management, strict discipline, continuous improvement, never feeling satisfied, customer satisfication, strive to create first-class enterprise” is not
only the everlasting pursuit of Cotech, but also the sincere commitment to quality and service for wide range of end-users.