The model of the machine is JS series double-shaft compulsory mixer which have the advantages of reasonable structure, safe and reliable operation, low energy，excellent mixing performance， high efficiency and so on. It has the dual advantage of standalone using or as the supporting host of the concrete batching plant. This machine can composed with different kinds of PL series dosing machine of the concrete batching plant, or according to the customer requirements as the host of the large or medium-sized concrete batching plant, can mixing dry-hard, lightweight aggregate concrete and any other various kinds of mortar. It is suitable for all medium or large construction sites which is the ideal equipment of the hydropower, roads, ports, airports, bridge, medium or large concrete prefabrication plants and the manufacture of the commercial concrete. Now we have JS500, JS750, JS1000, JS1500, JS2000, JS3000 and any other type available.