优点：
1.长度可根据现场要求定制，意味着集水池之间的接缝数量较少
2.轻质可手动提升，用于卸载，处理和安装
3.强大灵活，能够在低覆盖率下承受标准交通负荷
4.经济和具成本效益
5.优越的液压
6.耐磨性和耐化学性
7.简单基础和嵌入式
8.高效，耐用，经济
易于安装和接头
应用：
1.下水道和排水
2.露台和其他住宅单位临街排水设施
3.商业，工业单位和个别工厂的周边排水沟
4.作为收集器在道路，高速公路，露天场地，体育场，挡土墙或停车位的底土系统中排水
5.作为地下系统的收集器排水，污水处理厂污泥干燥床下排水

Advantages:
1. Length can be customized according to site requirement means lesser number of joints between sumps
2. Lightweight can manually lifted for unloading, handling and installation
3. Strong and flexible, capable of taking standard traffic loading at low cover
4. Economical and cost effective
5. Superior hydraulics
6. Abrasion and chemical resistance
7. Simple base and embedded
8. Efficient, durable, economical
9. Easy installation and joints
Application:
1. Sewer and drainage
2. Frontage drains for terrace and other residential units in housing schemes
3. Perimeter drains for commercial, industrial units and individual factories
4. As collector drains in subsoil system in road, highway, open field, stadium, retaining wall or parking space
5. As collector drains in subsoil system, sewerage treatment plant sludge drying bed under drains