Oil-water separator 1 or 2 units Solenoid valve 1 or 2 sets Hzs concrete mixing batch plant application: Hzs concrete mixing batch plant, with the features: simple structure, easy to disassemble and construct, is applied to large and medium scale prefabricated industry and road, bridge, water project, port industry and architecture construction. It is definitely an efficient concrete mixing plant, which can mix dry concrete, light aggregate and different mortars. 20gp+40hq standard export package or as you require