How about Shanghai Zaitian Environmental Technology Co.

The company is very good.

Shanghai in the field of Environmental Technology Co., Ltd. to provide equipment research and development, design, production, construction, installation, maintenance as one of the system service mechanism, the success of more than 2,000 well-known brands tailored to customize the exclusive wastewater wastewater treatment solutions.

The single-phase flow negative pressure drainage system is the use of new negative pressure sewage pipe network, the decentralized collection of sewage, and then into the municipal sewage network or the nearest to take integrated sewage treatment equipment to deal with, so as to achieve the sewage should be collected as much as possible, the pipe network without infiltration seepage, the treatment of the stability of the effect of the standard.