★ Patent No. M338226 Waste automatic compression refrigerated storage device
★ Patent No.M338227 Apparatus for collecting, processing, and recycling kitchen scraps
★ Patent No. M341011 Waste and resource recovery automatic classification and collection pipeline device
★ Patent No. M356003 Electric air-tight door
★ Patent No. M371717 Vertical electric rubbish input gate structure
★ Patent No. M371718 Energy-saving garbage refrigeration equipment
★ Patent No. M372026 Partitioned controllable type energy-saving equipment
★ Patent No. M402870 Waste compression device with fee calculation function background of the invention
★ Patent No. M415760 Recyclable waste compression processing device
★ Patent No. M445005 Automatic induction type waste compression refrigerator
★ Patent No. M457712 Garbage processing equipment capable of automatically replacing barrels
★ Patent No. M460862 Lower open type gate structure device
★ Patent No. I573747 Garbage charging and resource recycling & storing device
★ Patent No. ZL 2008 2 0009516.2 Waste and resource recovery automatic classification and collection pipeline device
★ Patent No. ZL 2008 2 0009517.1 Apparatus for collecting, processing, and recycling kitchen scraps
★ Patent No. ZL 2008 2 0009518.1 Waste automatic compression refrigerated storage device
★ Patent No. ZL 2008 2 0136675.9 Electric air-tight door
★ Patent No. ZL 2009 2 0174570.7 Energy-saving garbage refrigeration equipment
★ Patent No. ZL 2009 2 0174571.1 Vertical electric rubbish input gate structure
★ Patent No. ZL 2010 2 0580803.6 Waste compression device with fee calculation function background of the invention
★ Patent No. ZL 2013 2 0097090.1 Lower open type gate structure device
★ Patent No. ZL 2013 2 0742707.0 Garbage processing equipment capable of automatically replacing barrels
★ America：Patent No. US 8,091,811 B2 Apparatus for collecting, processing, and recycling kitchen scraps
★ Japan：Patent No. 3157755 Apparatus for collecting, processing, and recycling kitchen scraps
★ European：Patent No. 2689922 Waste compression device with fee calculation function background of the invention
★ Korea：Patent No. 20-0473440 Waste compression device with fee calculation function background of the invention
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