Hi dear friend,here is Arthur from iValve, professional manufacture of iron valves for water system: Resilient Seated Gate Valve, Butterfly Valve, Control Valve, Y-Strainer, Check Valve, Pipe fittings. Mr. Arthur REN IVALVE TECH. (Tongling) Co.,ltd. Tel: 0086 0562-6820566 Mob: 0086-15956200391 Skype: arthur12621 Shizishan Economic Zone, Qifeng Road 3636, Tongling, China ww -w ivalve flow