Reduced Diameter

Qingdao Vapex Rainwater Technology Co., Ltd. is the Chinese technical cooperation partner of Granville Pike from the Netherlands, specializing in roof siphon drainage, siphon roof drainage, sponge city construction, and comprehensive utilization of rainwater. The company integrates research and development, design, production, sales, and installation, and has now grown into one of the more successful domestic high-quality rainwater resource management manufacturers.