Hello, we are Jiangsu Xinda professional waterproof plugging company: the company specializes in solving water seepage, leakage and waterproof problems of various buildings. For example: building water leakage, house water leakage, office water leakage, plant water leakage, foundation pit water leakage, expansion joint water leakage, underground cable pipe water leakage, basement water leakage, large floor water leakage, subway