WJG-500 Protective Siphon Drainage Collection System
The WJG-500 protective siphoning drainage collection system is a multi-functional system developed and produced by Jianguo Weiyue Group, featuring roof and garage roof planting, greening protection, drainage, and rainwater collection for reuse. The system mainly consists of plastic protective drainage boards, non-woven filter layers, siphoning drainage channels, water storage tanks (rainwater storage modules), bonding strips, and breathable inspection wells.