The design and production of environmentally friendly cellular sand blast room is based on the combination of the traditional and latest technology. It is a high-tech product, which uses cellular flooring and wind circulation pneumatic conveying principle. The abrasives will be automatically recycled. This structure is avoid the shortcomings of the high maintenance costs. Besides our blast room is no pit structure, this greatly reduces construction period and costs. The housing body is made of square steel and color steel sandwich panels which let the blast room have the advantage of elegant appearance, easy installation, wind and rain proof, anti-corrosion, insulation and so on. So it can be placed in the open without cover. Internal transportation system: The rail transportation type and chain hanging with the spray system operation.