Shenzhen city gold and panther waterproof materials ltd. Was established in 1999 as an early company to develop and operate waterproof paints for js cement composite polymers. Black panthers' waterproof coatings, a series of highly recommended waterproof materials recommended by the ministry of construction, are highly advocated green products with high water-resistant, high-extension, flexible, seamless, integrated, inhaled, strong bonding, empty drums, anti-freezing, heat resistant, corrosive, cold construction, wet operations, simple construction, wide use, short-lived maintenance, time-saving, non-toxic and non-toxic properties, and are the main waterproof products in current and future constructions! The science and technology of waterproof coatings of black leopards is constantly being created and advanced, as is the chemical industry, which has made significant technological advances in the rubber and plastic industries and new waterproofing materials on the ground provide the material basis for the development of single-story floors. Since then, single-story houses, based on rubber and plastics, have appeared in low slope areas。