—— Patents ——

An energy saving device and energy saving system of solar energy supplementary heat storage air-cooled heat pump equipment

Silent and noise-reducing coil heat exchanger and ultra-silent fan coil and muffler heat exchanger

Air purifier appearance design patent 1

Air purifier appearance design patent 2

A household assembled central air conditioning system

A filter element pressing device

A low temperature plasma air purifier

A modular integrated air conditioning system diversity hydraulic balance device

An energy saving device and energy saving system of solar energy supplementary heat storage air-cooled heat pump equipment

A heat pump system for improving heating efficiency

A horizontal heat pump fresh air ventilation device

A mobile plasma air purification device

An easy-to-store thermal insulation fabric layer structure

An easy-to-store thermal insulation fabric layer structure

A new exhaust integrated air outlet for fresh air system

An integrated air conditioning and terminal water system device

A green heating system based on waste heat utilization in coal mines

A shell-and-tube three-phase heat exchanger

A low temperature radiation plate for mining

A large space circulating heating unit for coal mine

A modular ice-storage air-cooled low-temperature water chiller

A modular exhaust air heat pump unit

A modular cascade heat extraction exhaust air heat pump unit

A heat supply system for dust removal, desulfurization and waste heat recovery of tail gas from hot air coal slurry drying

Three-phase gas heating residual power utilization unit

Three-phase plate heat exchanger for waste heat recovery of coal mine compressor