Liaoning Siyuan Anti corrosion and Waterproof Materials Co., Ltd. is registered at 1-27 Punan Road (1-23-1), Shenbei New District, Shenyang City, Liaoning Province. The registration authority is the Market Supervision and Administration Bureau of Shenbei New District, Shenyang City, and the legal representative is Li Lin. The business scope includes research and development, production, and sales of anti-corrosion and waterproof materials; Construction of building waterproofing engineering, anti-corrosion and insulation engineering, indoor and outdoor decoration engineering; Sales of sewage treatment equipment, chemical products (excluding hazardous materials), mechanical equipment, electronic products, building materials, decorative materials, daily necessities, hardware and electrical equipment, nanomaterials, environmentally friendly materials, high-performance composite materials, and polymer materials; Energy saving technology research and development. (Projects that require approval by law can only be operated after approval by relevant departments.)