Design and installation of wastewater pumps and non-clogged pumps, Design and manufacture of aerator, decanter and water-power propeller, Design of environment protection engineering, Evaluation of environmental affection, Consultation of ISO14000.

• 污水泵、无堵塞泵的设计和安装；曝气机、滗水器、水力推进器的设计制造；环保工程设计；环境影响评价；ISO14000的咨询等。