Wenzhou Better Valve Co.,Ltd , has being a memb
er of China Valve Association, network member of China Petro
leum & Natural Gas Gorp. , for more than 20 years in manufa
cturing valves.There is the perfect quality management system
,certified by international certificates .successively. Nowaday
s, Wenzhou Better Valve Co.,Ltd Valve has more than 6 engin...