Dacheng County and chemicals production of phenolic insulation Board, rock wool, glass wool, rubber, aluminum and other insulation products, is the first Board-phenolic modification of successful enterprises, National Center for building energy saving recommended products (with certificate). Research and Development Center and workshop are located in the right village industrial park in Langfang city, Langfang city Zhuang thermal insulation building material industrial park. ¡¡¡¡A total area of 82500m2, which put total assets of more than 20 million Yuan, with the most advanced equipment and technology, the introduction of a large number of senior technical and management talent. Our company has passed ISO9001 international quality system authentication in 2001, has a comprehensive quality management system, our products are at the national electricity company, glass fiber, Shanghai far East Nanjing fire testing center authorities many times inspection, performance indicators are better than the national standard. Our Sentinel product convergence case-management of State power Corporation plant, the China classification society (CCS), factory authorized, China classification society A-60 type approval (by the only manufacturer), the Member unit of China Association of insulating and deadening materials.