Established in 1994s,Tops Valve MFG Co.,Ltd cover an area of 400,000 square meters,more than 3000 staffs, It is the largest valve manufacturer in China engaged in researching and developing, manufacturing and selling middle pressure and low pressure valves.there are five branches under the group, the registered capital of 100 million yuan in RMB. Main Products: 1. API/ANSI Standard: Ball Valve, Butterfly valve, Gate Valve, Globe Valve, Check Valve, Plug valve 2. DIN standard: Ball valve...