concrete mixer js series are double-shaft forced mixers. they can be used as singe independent mixing units or can be combined with pld feeders to form a concrete mixing station. they can be used for different mixing products like concrete pre-casts for constructions such as road, bridge, water supplying, and civil engineering. the mixers can produce with high efficiency dry and hard concrete, plastic concrete, light weight concrete, and mortars. 　the mixers are well designed and easy to repair. the supports are 1,600 mm for js 350-500, 2,500 mm for js 1000, and 3,800 mm for js 1500-2000. they can be suitable for tilting trucks, self-loading trucks, and mixing trucks and also can be tailor-made according to the demand of end users.