... of JD series concrete mixers,the newest portable concrete mixer,the newest portable concrete mixer products.NF Single-shaft Concrete Mixers have 2 ... JDC series and JDY series. Their difference consist in the concrete discharging method: JDC are driven by gear-box, ... the variety of concrete production, mortar and grout. Based on customers’ requirement, they can be made into portable concrete mixers, that ...