Guangdong Wanquan  is a professional manufacturer for Geocellular Modular Rainwater Harvesting Tank System ( soakaway crate / attenuation crates / infiltration tanks), established in 2011, with one large plants in Nansha of Guangzhou. We are the first maker of rainwater harvesting system in China, we have 4 production lines, more than 10 engineers in R&D department and about 100 skilled workers.