• Invention patent
• Software certificate

• At the same time, it is an integrated device for recovering the energy lost in the process of steam decompression and venting
• Quartz heating pipe device for preventing dry burning in water heating blanket host and water heating blanket
• The utility model relates to a cold and warm dual-purpose water mattress host and a cold and warm dual-purpose water mattress
• A control optimization device for oil injection quantity in rotor cavity of open screw refrigeration compressor
• Air volume dispatching device between compressed air pipe networks
• A terminal gas optimization device conducive to pressure stabilization of compressed air main pipe network
• An energy-saving self-priming pump unit
• A self-cleaning device for evaporative condenser
• A device for reducing flue gas pollution in heating stage of fluidized bed roaster
• A circulating cooling water system for converter oxygen lance
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