shengtong valve Factory was founded in 1987 with registered capital of RMB50, 500, ***** factory covers a total land area of 14, 000 square meters , placing 180 set of machines .There are 28 technical engineers within 180 emploees.shengtong is a profession enterprise specializing in ball valves manufacturing with a wide rangge oof industrial applicationgs.At present, our production capacity is full for exporting, annual output value reached RMB 110 millions in 2007.we supply different specificationgs of forging steel ball valves according to standard of ***** prouduct of reliable and top quality win us high repution and appreciationgs from global clients.