... cross,reducer,sight glass,manhole cover,cleaning ball,centrifugal pump,pipe holder etc...Advantage: Prompt quotation, competitive price, punctual ... from China,specializes in producing kinds of sanitary valves,pipe fittings as well as OEM services over 15 years. ... D ability ,there are 105 staffs including 5 senior engineers.Device: YODSN combined CNC turning processing, CNC milling center, plastic ...