Dalian Sanfeng Building Materials Co., Ltd. (Dalian Qiancheng Building Materials Factory), established in 2006, covers an area of 30,000 square meters, with nearly a hundred R&D personnel and an annual production capacity of about 600,000 cubic meters. It is an enterprise integrating new, fire-resistant, energy-saving, environmentally friendly, and scientific research, mainly producing and selling XPS extruded boards, EPS foam boards, phenolic boards, polyurethane composite panels, polyurethane spray combinations, and other insulation series products. In 2015, the sales volume was approximately 400,000 cubic meters, accounting for 60% of the industry's sales. Dalian Sanfeng Building Materials Co., Ltd. (Dalian Qiancheng Building Materials Factory) has its headquarters in Dalian and has multiple branches in Shenyang, Changchun, Harbin, and Nanjing, with a sales network spread across the country. The company offers a wide range of products, ample inventory, and immediate delivery to meet various building material needs. The professional sales team serves China's building insulation industry with the motto "the customer is king, quality is the market."