electrical concrete mixer. 1)By hand. 2)Capacity:120L and 140L. 3)Motor power:370W to 550W 4)CE, GS Approved. This electrical concrete mixer by hand, we offer capacity 120L and 140L, motor power 370W to 550W.This is a improved model from previous, no speed reducer for customer feedback of problem of the speed reducer. No motor box, convience plus saved the produce cost,cheaper than previous ...