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Recently, the list of “Energy Efficiency Leaders” in Guangdong’s paper industry was released, and Guangdong Lee & Man Paper Manufacturing Co., Ltd. successfully made the list thanks to its outstanding energy utilization efficiency and excellent energy-saving management. As a leading enterprise in the paper industry, Lee & Man Paper has always actively practiced the concept of green manufacturing. On its journey of energy conservation and emission reduction, INTELLICOLD Air Conditioning, with its professional and efficient central air conditioning system solutions, has become an important partner in achieving green and low-carbon operations.
1.Leading Paper Manufacturers Guide Green Transformation
Since its establishment in 1994, Lee & Man Paper Manufacturing Co., Ltd. has consistently been at the forefront of the industry. Listed on the Main Board of the Hong Kong Stock Exchange in 2003, it has now developed into one of the world’s leading paper manufacturers in terms of production capacity. The Group possesses a complete paper manufacturing and packaging industry chain, with production bases in Guangdong, Jiangsu, Chongqing, Guangxi, and other locations, and its business extends globally. While continuously expanding its industrial scale, Lee & Man Paper Manufacturing Co., Ltd. deeply understands that green development is not only a social responsibility but also a core competitive advantage for sustainable corporate development.
In 2025, Guangdong Lee & Man’s efforts in energy management received authoritative recognition, ranking it among the “Energy Efficiency Leaders” in Guangdong’s paper industry. Behind this achievement is the company’s continuous investment in improving energy efficiency throughout the entire production process, including the green upgrade of the central air conditioning system, a crucial energy-consuming component.
2.Customized solutions to match paper production needs
The paper industry’s production environment is characterized by large spaces, strict temperature and humidity requirements, and long continuous operating times, placing extremely high demands on the stability, energy efficiency, and control precision of air conditioning systems. INTELLICOLD Air Conditioning, with a deep understanding of Lee & Man Paper’s actual operating conditions and energy-saving goals, has tailored a green air conditioning solution that integrates high-efficiency cooling, precise temperature control, and intelligent operation and maintenance.
Ⅰ.High-efficiency heart: flooded water-cooled screw chiller unit
INTELLICOLD’s SL series flooded water-cooled screw chillers, supplied to Lee & Man Paper Manufacturing, are the “high-efficiency heart” of the entire system. These chillers utilize semi-hermetic twin-screw compressors from internationally renowned brands and possess unlimited partial load adjustment capabilities, ensuring efficient operation under varying production loads.
The unit is equipped with an independent, high-efficiency external oil separator and a real-time oil return system to ensure long-term stable operation of the compressor. The optimized design of the flooded evaporator and intelligent electronic expansion valve control significantly improves heat exchange efficiency, enabling safe and energy-saving operation under a wide range of conditions. Furthermore, a dedicated PLC operating system combined with a high-definition touchscreen provides a clear overview of the unit’s operating status, achieving intelligent control and comprehensive protection, providing reliable assurance for Lee & Man Paper’s continuous production.
Ⅱ.Precise temperature control: Water-cooled unitary air conditioner
To address the environmental control needs of different spaces such as production workshops and office areas, INTELLICOLD opted for water-cooled unitary air conditioning units. These units integrate cooling, dehumidification, and air supply functions, and the various functional sections can be flexibly combined according to actual needs to meet diverse air handling requirements.
The core components of the unit all utilize high-performance compressors, low-noise centrifugal fans, and refrigeration parts from internationally renowned brands, ensuring stable and reliable performance. The anti-cold bridge aluminum alloy frame and color steel plate outer casing combine aesthetics and durability, precisely maintaining indoor temperature and humidity to provide a comfortable environment for production processes and personnel.
Ⅲ.Flexible air supply: Cabinet fan coil unit
For localized air handling, INTELLICOLD employs aesthetically pleasing and compact cabinet-style fan coil units. These units utilize dual-inlet centrifugal fans for smooth and quiet operation; the heat exchangers feature corrugated aluminum fins and high-quality copper tubes, resulting in high heat exchange efficiency and ease of cleaning.
It not only saves installation space and reduces building height requirements, but also significantly reduces initial investment and subsequent maintenance costs, making it particularly suitable for flexible environmental control in large factory workshops.
3.Green development and coordinated carbon reduction
INTELLICOLD air conditioning has always integrated “green development” into its product research and development and service system! In its cooperation with Lee & Man Paper, INTELLICOLD not only provided highly efficient and energy-saving equipment, but also incorporated the concept of environmental protection and carbon reduction into the entire process of system design, installation, commissioning and operation and maintenance advice.
By adopting environmentally friendly refrigerants, improving overall system energy efficiency, utilizing heat recovery technology, and optimizing operational strategies, Aubo helped Lee & Man Paper significantly reduce carbon emissions and operating energy consumption while ensuring a comfortable and stable production environment, achieving a win-win situation for both economic and environmental benefits. Lee & Man Paper’s receipt of the “Energy Efficiency Leader” award is the best testament to the collaboration between the two companies in promoting green manufacturing.
4.Working together to build a sustainable future
As a benchmark enterprise in the paper manufacturing industry, Lee & Man Paper’s green practices have set an example for the entire industry; while INTELLICOLD Air Conditioning, with its continuous efforts in energy-saving and environmental protection technologies, has become a reliable partner for many industrial enterprises to achieve low-carbon transformation.
In the future, INTELLICOLD will continue to increase its technological innovation in areas such as high-efficiency refrigeration, energy management, and intelligent control, providing smarter and greener air conditioning system solutions to help more manufacturing companies like Lee & Man Paper improve their energy efficiency, jointly promote green and low-carbon development in the industrial sector, and contribute professional strength to building a beautiful China.
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