肇庆洪 waterproof professional real old concrete buildings: waterproofing, leak-proof trap, grouting, plugging basement construction and other various problems of water trap, plugging reinforcement project is one of a high level of business. The new technology has a number of years of skilled water trap, water control construction professionals. Construction site guided by professional waterproof engineers building technology. A, Engineering: Professional undertake Where old and new concrete buildings waterproof mending leakage, plugging grouting works (floor cracks, plants, wall, window sills, expansion joints, high and low settlement joint, the parapet; Yupeng connecting joints, aluminum window frames leakage; toilet, water towers, pools, basements, swimming pools) and other waterproof mending leakage water shutoff grouting works.