Coosai’s valve products cover ball valve, gate valve, butterfly valve, globe valve, check valve, control valve, safety relief valve, steam reducing valve, Y type strainer. and so on according to API6D, API609 GB/T4213 and also our own company’s manufacturing standard,. with pressure ranges from class150～class2500, size 1/2＂～48＂,and temperature －29℃~425℃. Also, we can produce in various kinds of materials according to customers’ requirements.