Utility Model Patent Certificate for Organic Waste Microbial Treatment Integrated Machine

Utility model patent certificate for ventilation and cooling device of organic garbage microbial processor

Utility model patent certificate for high-efficiency microbial treatment tank

A utility model patent certificate for an ultra-nano bubble jet aerator

A utility model patent certificate for microbial aquatic plants and ecological restoration system

Utility model patent certificate for microbial aquatic plants and ecological restoration system of compound bacteria

A utility model patent certificate for a high-efficiency bio-nano jet oxygenation device

Utility model patent certificate for retail unpowered domestic sewage treatment device

Utility model patent certificate for deodorizing device of organic garbage microbial processor