... is easy to maintain.the material of screws in the mixer are ferrochromium, the outside of screws are shock resistance and ... .Can do the painting as clients’ request, to try our best to meet clients’ request.We provide the following items to ... .If users have the ⅠType Mixer, we can help to upgrade it into ⅡType Mixer. concrete mixer,cement mixer,mixing machine with screw mixing blades ...