The company was established in 1998, which is a technological professional valve manufacturer. The company has acquired ISO 9001 certificate (the current version is ISO 2000) from DNV (Det Norske Veritas), API-6D certificate issued by American Petroleum Institute and CE certificate issued by T�.The company provides high & medium pressure ball valves, butterfly valves, parallel gate valves, gate valves, knife gate valve,globe valves, check valves and power station valves for petroleum, chemical engineering, metallurgy, light industry, power station, city building, water supply system, oil transportation, gas feeding, natural gas and long distance transportation pipes projects. In addition, the company supplies over 1000 sorts (8 main catena) of non-standard and special valves some of whose parts are imported from other countries. The products diameter range is DN 5?2000mm (1/2??80?), the nominal pressure range is 0.6 Mpa?100 Mpa(150Lb?2500Lb), and the operating temp. range is -196??750?. The valve material contains carbon steel, brass, stainless steel, heat-resist alloy steel, Monel, low-temp steel and other special steels. The driving device includes lever operator, electric driving, pneumatic driving, gear transmission, worm wheel and worm handle transmission?air-liquid driving , electric-liquid driving and computer program controlled device etc.. Our products are very popular in the whole nation and exported to America, Europe, Africa, Mid-east area and Singapore etc.The company holds ?Quality first, Customer utmost and honesty base? as its management policy while it sets ?Usability, creditability and reliability? as its target. Dongjia Co. will welcome customers from domestic & abroad with first-rate brand, favorable prices and excellent after-sale service.
