BROAD GROUP has been China's leading manufacturer and exporter for thermal insulation materials since its inception in year of 1998. (Hebei Chunrui Trade Co., Ltd is subsidiary company of Broad Group, which is dedicated in sales of Broad insulation products, with registered capital of Ten million RMB ). Our main products Glass wool, Rock wool, Foam Rubber Plastic Insulation and Aluminum foil facing are widely used in construction, thermoelectricity, petroleum industry, smelting industry, ...