Recently Zhejiang Dongchen Valve has developed full welded triple offset butterfly valve which is the biggest triple offset butterfly valve Neway has manufactured until now.This triple offset butterfly is used in coal chemical industry in the Nei Monggol Autonomous Region. DOCN  triple offset butterfly valve has a bidirection non-bubble tight closing performance.With strict quality control,zhejiang dongchen valve has won a good reputation from customers from domestic market and overseas. 

If you are interested in industrial valves, pls contact DOCN VALVE.