... site,tunnel,culverts and so on. Rb RB series flexible shaft pumps model discharging diameter(mm) delivery lift(m) flow ... to electric motors,,gasoline engines,diesel engines,flexible shaft pumps 2.no mini order demads3.can supply OEM ... sale service:For the Malaysia type concrete vibrator YFM-SERIES,we have 3 months warranty.1. within 3 ... , we can supply on-line service RB series flexible shaft pumps