Service Co., Ltd. Tianjin Heng Shi Baojie stone cleaning stone stone disease stone cracks under the action of the outside world, its quality, performance, color and other aspects will be affected, decorative effect will fall. By physical or chemical removal of stone disease to repair, restore the original appearance of the stone. Several common stone disease macular rust, organic stains, Bai Hua (back to base), freezing and thawing, water spots wet mark, chemical corrosion, oil, grease spots and loss of light spots, chalking, peeling off from the shell, holes, notches , hollowing, cracking. Tianjin cleaning company professional cleaning Construction Technology 1, according to the materials of stone use special cleaning agent, cleaning agent to the gap in the porous stone and dirt molecules play a role, through methods such as suction removal or dilution of the residue after cleaning. 2, stone washing dry naturally after stone protection, so repellant fully penetrate into the stone house, and forms a protective layer (water blocking layer), so as to achieve water, pollution, acid, anti-aging, anti-freeze, anti-biological erosion and other functions. http://www.tjhengshi.com/