Hejian City Rongsheng Thermal InsulationMaterial Co., Ltd. was founded in 2010, is engaged in buildingwaterproofing ,insulation material , domestic  and export inone. Founded at the beginning, the company accorded to the purposeof  â the customer is the first,  the credibility is thefirstâand developed rapidly, the business scope expanded to mostparts of the country. Products covered more than seventeenprovinces in China, already became the High temperature tolerancereinforced resin largest supplier, is the leader in the emergingwaterproof enterprise.Â