is double shaft compulsory mixer, it has double advantages: to be operated independently as single, and to be combined with PLD series compounding machine to form simple concrete batching plant, it can provide associated main machine for batching plant, and is applicable to large, medium and small scale prefabricated components plants and road, bridge, irrigation works, dock and civil building project, it can mix hard concrete, quaking concrete, fluidity concrete, light weight aggregate concrete and various kinds of high efficiency model and is widely used.

This series of machine has a rational design structure, with new arrangement, and is easy to be repaired and used. The height of leg like supports are designed as: JS500 is 1500mm, JS750 is 1600mm, JS1000 and JS1500A are 4600mm, among which (JS 1500B, JS2000 and JS3000 use Italian SICOMA technology). The customer can use the mixer combined with tip lorry, dump truck, and mixer truck, at the same, the  can be ordered according to the special demand of customer to satisfy their requirements.