for concrete pump trucks, use good lubricant and don’t skimp. qinghai lubricant manufacturer lanzhou concrete lubricant wholesale price
when training on new equipment, after-sales training personnel will mention that before the concrete pump truck can officially pump concrete, 1-2 cubic meters of mortar with the same gel ratio as the concrete being pumped is needed to moisten the pipe. in this way, the resistance of the inner wall of the pump pipe of…

