Maanshan Leonon Energy Saving Technology Co., Ltd.

Best Air Source Heat Pump Manufacturer & Supplier in China

Leomon's air-source heat pumps are exported worldwide. We currently have a network of distributors and agents in over 60 countries.

Leomon also partners with local heat pump companies on OEM/ODM services. We can customize heat pumps for our partners' brands and produce them in accordance with European standards.

Leomon boasts three air-source heat pump production bases, 40 automated production lines, and 24 international laboratories certified by TÜV Rheinland, Intertek, SGS, and Kiwa. Our total annual production capacity exceeds 2 million units.

Advanced equipment and experienced workers ensure our robust production capabilities.

We understand the importance of quality control. Every Leomon air-source heat pump undergoes rigorous quality testing to ensure it can withstand harsh weather, humidity, mold, and other real-world conditions.

Quality assurance begins at the earliest stages of the value-added chain, from system design inspection, incoming material inspection, piping connection control, to final assembly system testing.

1. Incoming Material Quality Inspection
Supplier evaluation, material quality inspection,
Heat exchanger leak inspection, electrical unit inspection

2. Pipeline grafting QC
Bending, pipe drilling, shrinking, expanding, grinding, cleaning, welding

3. Assembly system quality control
Welding, leak detection, vacuuming, refrigerant filling, pipe insulation application, silencer application, control system connection

4. System design quality control
System design, component design, housing design, piping design, wiring design

Leomon prioritizes product R&D and technological innovation. We operate 20 in-house validation laboratories, including 10 -45°C enthalpy difference chambers and 10 long-term durability testing laboratories.

We also have a CNAS-accredited laboratory.

As one of China's largest heat pump manufacturers, Leomon employs over 2,000 people. Our heat pump manufacturing center boasts four production sites with 24 production lines, including two automated ones. All production lines are monitored by a manufacturing execution system (MES) to enhance efficiency.

Leomon boasts a strong technical team of over 350 people and a modern R&D center. We have obtained 430 patents covering a wide range of technologies, including ultra-low temperature EVI, CO2, and ultra-high temperature. Our products are certified to the standards of most countries worldwide.