Shandong tripod front door since its establishment in 2004 has been adhering to the supply and the great building with the high quality requirements for the principle of continuous improvement, to create the perfect, with superb technology to continue to serve the industry. Due to the existence of urban waterlogging problems over the years, intensified. Tripod front door in the face of the current situation of the domestic water crisis, the purpose of serving the community to develop and produce a combination of flood prevention DEFE baffle.