Langfang sonic building materials Co., Ltd.   

Hebei Langfang Sheng Yi Building Materials Co., Ltd. is production: rock wool products, aluminum silicate cotton and products, glass wool and products insulation materials, thermal insulation rock wool products, heat insulation and sound insulation rock wool board, aluminum silicate insulation material, aluminum silicate plate, aluminum silicate board, rock wool slatting heat preservation tube, thermal insulation plate, hot products, glass wool, phenolic foam products, phenolic foam products, 1 aluminum silicate wool rock wool board, aluminum silicate needle blanket waterproof rock wool board is a large-scale backbone enterprise that integrates R & D, design, production and manufacture of rock wool insulation materials. Involved in chemical, aluminum silicate, rock wool, glass wool and design and construction, and many other fields. The products are sold in different industries all over the country with superior quality, low price and wide application.