Wenzhou Coosai Valve Co., Ltd.

is a specialized manufacturer which has more than 20 years experience in producing the valves and the diaphragm pumps. Our products cover Air Operated Diaphragm, ball valves, gate valves,globe valves, butterfly valves, control valves , check valves etc.

In our product line,valves has already passed the CE PED Certification, API 6D Certification, API6A Certification, TS Certification. Air operated diaphragm pumps has already passed the ATEX Certification.

At present, our factory covers 12000 square meters. Total registered asset is RMB 80 million. Meanwhile, a professional management team and 100 sets advanced machine equipments insure that we have a good R&D,QC capability.

With the ISO9001:2008 quality system has set up throughout the company, reasonable price, quickly delivering and efficiently service has become our market tenet and to be the international supplier is our pursuit.

Welcome to Coosai!