Which company is better to be a waterproofing company in Shenzhen? Shenzhen zhongshenglong waterproofing company is selected for Shenzhen professional waterproofing and leakage repair. Shenzhen zhongshenglong waterproofing company is specialized in undertaking: all kinds of roof leakage repair, roof cracks, expansion joints, parapets, external walls, toilets, basement grouting, bridges, roads, tunnels, fish ponds, swimming pools, baths, residential buildings, office buildings, factories, warehouses, etc Waterproof and leakage repair of civil buildings, etc.