Hangzhou all rivers Environmental Production Technology Co.,Ltd,（stock code：870271）

       Founded in 2006, the company is committed to innovative drainage equipment and system R & D and market promotion. Main products include: outdoor vacuum drainage system, indoor vacuum drainage system, metro station gravity flow, vacuum combined vacuum collection system, high-efficiency water-saving micro water circulation environment-friendly toilet system, large building vacuum collection system, cam type closed pump station system and low-level air pressure drainage system, negative pressure waste collection system and urban sewerage treatment equipment.

     Enterprise mission：utilize technology, improve environment, benefit people.

     Enterprise goal：focus on sustainable environmental technology, innovation as the soul is the purpose, win-win cooperation with customers, provide customers with more reasonable and practical all technical solutions and contribute to environmental production.

    Service field：focus on vacuum sewage, sewage treatment, environmental   protection toilet， vacuum waste collection.

    Main business: innovative drainage equipment and system R & D and market promotion.