COOSAI valve group is a China leading valve supplier with 30 years experience in the design and manufacture of quality engineered valves and Christmas tree,.Total registered asset is USD 10 million. Factory covers an area of more than 70,000 square meters of which workshops cover an area of 42.000 square meters. Coosai Valve Group has five subsidiary companies: Shanghai Coosai Valve Co.,Ltd, Zhejiang Coosai Valve Co.,Ltd, Wenzhou Coosai Valve Co.,Ltd  Zhejiang Wandong Coosai Valve Co.,Ltd and Zhejiang Coosai Pump Co.,Ltd.

Coosai has the top class facility in production and capability in design and testing which ensures the world class quality products by a professional technical team of 60 engineers, more than 100 sets large scale CNC machining centers and lathes(Machining ball valve size up to 60”),modernized hydraulic test(up to 15000PSI) and air tight test(up to 2500LB)and cryogenic test,fugitive emission test equipment. And a full set of NDT test facilities （PT,MT,UT.And spectroscope and tensile test and impact test equipment. And Large scale automatic painting system which applies for size up to 60 inch ball valve.

The Prime markets served by coosai are the Oil&Gas exploration and production sectors, Oil field, Power plants, Chemical plants, Mining industry ,Sugar industry, Pulp and paper mills ,and other special service industrial applications.

Coosai have acquired certificates API6A,API6D,API607,ISO9001,CE, TS….Etc

Coosai insists on implementation of technology oriented,and internationalized development strategy. We have many national patented products,Many products are accepted by China National Petroleum Corporation(CNPC),Sinopec(CNCC),and China National Offshore Oil Corporation(CNOOC).

Coosai could offer site back up in commissioning and calibration and training in overseas oil field or plants.

We look forward to meeting all distinguished clients and industry experts and sincerely welcome all your valuable inquiries