It's used in water supply or heating systems installed at apartment buildings. These ball valves provide required reliability, and they are easy in operation銆? the main use includes natural gas, transmission pipeline, district connection heating water supply and ETC.. MSN:hoastaridealwang@hotmail.com SKYPE:Idealwang588 ICQ:609210947 Email: sales3@hoastar-valve.com TEL: +86-577-56666967 Cell Phone: +86-13567785037 Contact person: Mrs Ideal Wang
fully welded ball valve Q61F 
