Zhejiang SUNTTI Valve Industry Co., Ltd. is a manufacturing enterprise engaged in producting various types of high and medium pressure valves. The company,with an area of 11000㎡, is located in the SUNTTI industrial park, Qiaoxia Yongjia Zhejiang China.It has technology consultation center and valve quality inspection and testing center; In which all testing equipments,like Germany Oxford spectrometer,mechanical strength testing machine, Brinell hardness tester, and ultrasonic thickness meter,are included.Thus,we are competent to finish all the related tests, such as material chemical composition analysis,mechanical performance test,Brinell hardness test,ultrasonic thickness test.