Qingdao Wenrun Holding Co.,Ltd is a professional waterproof system designer and supplier. Our main business is to provide waterproof system, waterproof material and its supporting system. The waterproof system, including roof waterproof system, basement waterproof system, pool or pond waterproof system and tunnel waterproof system,etc. Our waterproof material is included PVC, EPDM, HDPE waterproof membrane/geo-membrane, TPO waterproof membrane and self-adhesive bitument waterproof membrane,etc.