Langfang Longtai Xinbo Fireproof Materials Co., Ltd. is registered in Puta Village West, Dacheng County, Langfang City. The registration authority is the Market Supervision and Administration Bureau of Dacheng County, Langfang City, and the legal representative is Sun Lanhua. The business scope includes the production and sales of fireproof sealing materials, fireproof bags, fireproof boards, and fireproof coatings; Sales: silicate products, extruded products, polyurethane products, phenolic products, coal mine casting reinforcement materials, coal mine casting filling materials, inorganic fiber spraying materials, mortar, binders, chemical raw materials (excluding hazardous drugs); Construction of fire prevention and insulation engineering. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments)