Welcome to Long loong
Industry Solutions
Years Experience
Products Completed
Welcome to Cangzhou Long Loong Building Materials Co., Ltd, your premier destination for top-quality waterproofing, insulation, and construction materials in China.Established with a commitment excellence, has emerged as leading manufacturer supplier the industry. With focus on innovation, reliability, customer satisfaction, we take pride delivering products of highest standard meet diverse needs our clients.As trusted waterproof material insulation …