... machine advantages:1. Energy conservation, total power is 34.69KW, but the traditional sand blasting ... with good uniformity. 4. Environmental protection, this is airtight system, and dust almostly not excape, ... 4. High efficiency and Energy conservation, it total power is 49kw, need two worker, and one 28m ... the seals with good durability.Also taking into account the interior parts of a high degree ...