... in bulk truck 1,improve production efficiency 2,improve labor conditions 3,saving packaging material,cost. howo 8x4 cement in ... dimension(diameterxstraight section length)2500X8600 mmtechnical indexIn the working pressure of 0.2Mpa , the discharging speed is 1. ... powder materials,fast discharging speed, low residual rate, high safety performance, convenient operation.5,Tank and metal accessories ...