Liu Yongxiang

External skeleton unit for assembled sewage treatment equipment

Exterior wall unit for spliced sewage treatment equipment

Internal skeleton unit used in assembled type sewage treatment equipment

Assembling type sewage treatment equipment

Vertical baffling multifunctional sewage biological treatment system

Solar energy shallow layer micro-nano aerator

Auxiliary water collection pipe network device for water circulation

Ecological remediation system of landscape water body

Low-energy-consumption treatment system of domestic sewage

Culture medium insert piece