Weifang Jingguanjia Import and Export Co., Ltd., located in Weifang city, Shandong Province, near Qingdao Port, specializes in the professional design, manufacturing, and sales of self-adhesive waterproofing membrane for color steel tiles as well as multi-layer composite waterproof and insulation building materials with metal aluminum foil. Our company has independently developed a range of self-adhesive products and obtained national patent certification. This ensures the seamless integration of raw material production and sales while effectively controlling both the high quality and cost of our products. We hope to fulfill our corporate philosophy of everlasting customer satisfaction and making friends all over the world through perfect and effective after-sales service and technical support.