PL series concrete batching machine is the automatic batching equipment as the part of concrete mixing plant, it can automatically generate proportion formulation of sand and stone etc. According to the user’s requirements. The series products can apply to various workplaces. It is composed with storage bin, weighing system, feeding system, control system etc. The structure consists of “一”and “丁” shapes. Two feeding types: pneumatic gate and belt conveyor. The series of products have the characteristics of various structure forms, flexible combination, high weighing accuracy, simple operation, high degree of automation etc.