... ,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. ... Device: YODSN combined CNC turning processing, CNC milling center, plastic injection, Die casting, press stamp, we introduced plenty of ...