STV VALVE Co.,ltd e Co.,ltd will be forever strong located at the Wenzhou Longwan District Central Industrial Zone.It is a fair automatic control valve,the general valve,the pipeline fitting’s research and development the manufacture,the sale and the post-sale service is a body’s high science and technology Specialized company,the company technical force is abundant,the technique of production is advanced,has the consummation manufacture equipment and the excellent check-out facility and the go...