... technology,anti-wear, aseismatic,anti MoistC:the mould is high temperature carburizing heat treatment through 900 Degrees CelsiusD:guide ... the surface is chrome-plated,have good anti-wear and high anti-distortion, Long service life .E.Multi-function: ... theblocks are High strength, the compactness of uniform. 2012 hot selling!! cement block machine for sale with high quality QTJ4-25B (Tianyuan Brand)