Zhejiang Cotech valve Co.,Ltd is an enterprises specialized in designing, manufacturing and selling various valves and components.
 The company was established in 1990 covering an area of 3000m with 2850m building area, 100-200 staffs and 24 technical persons, having years experience in producing valves, a group of highly skilled professionals, well equipped machining and testing facilities, perfect quality system, modern testing center and CAD computer design center. Spare parts are machined by numerical control special machine to assure the precision and the interchangeability of the products.at present we mainly produce/manufacture "ISO, API, DIN, BS, NF, JIS" standard valves, and other special valves according to the requirements of the clients. There are many kinds of body materials, such as WCB, 304, 304L, 316, 316L, CF8, CF3, CF8M, CF3M, 1Cr12Ni14Mo2Ti, 1Cr18Ni9Ti, etc. Sizes range from 1/2" to 20" (DN15-DN500), working pressures from 150LB to 2500LB. The products are widely used in chemical, fertilizer, metallurgical, medicine, power, oil, liquefied gas industry, and so on. These valves are appreciated by users well all over the world, especially in Middle-East Area, the European countries, America, etc, more than 10 countries and regions.