Weifang Qingyang Building Waterproof Materials Co., Ltd. is registered at No. 354 Beiyangtou Village, Taitou Town, Shouguang City, Weifang City. The registration authority is Shouguang Market Supervision Administration, and the legal representative is Chen Haotian. The business scope includes the production and sales of waterproof building materials, waterproof coatings (excluding hazardous chemicals), non-woven fabrics, thermal and sound insulation materials (excluding fireproof sealing materials), plastic pellets, plastic boards, plastic pipes, plastic profiles, plastic films, and plastic woven fabrics; Processing and sales: paper products; Sales: Chemical products (excluding hazardous chemicals and precursor chemicals), rubber products, asphalt (excluding hazardous chemicals); Contracting: Building waterproofing engineering, anti-corrosion and insulation engineering; Leasing of construction machinery and equipment; Construction labor subcontracting; Engage in import and export business of goods and technology within the scope permitted by the state. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments)