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Oil-free compressor

UNIGY|UNIGY compressor-adopts all oil-free structure design, small size, light weight, no leakage, etc., can compress gases of different media, such as: sulfur hexafluoride, helium, nitrogen, hydrogen, oxygen, carbon dioxide , Wait for gas.

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Screw Air Compressor

The core of the twin-screw main engine-screw air compressor is our sturdy and reliable main engine with an efficiency increase of 5-15%. The products are screw air compressor, frequency conversion screw air compressor, hybrid permanent magnet screw air compressor.

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Dry screw vacuum pump

Dry screw vacuum pump-provides oil-free vacuum solutions for lithium battery, chemical, pharmaceutical, food and other industries. The touch screen control system allows you to achieve unattended operation.

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About Us

Nanjing Hante Trading Co., Ltd.

Established in 2006, Nanjing Hante Trading Co., Ltd. (hereinafter referred to as "the Company") is a high-tech enterprise integrating research and development, production and sales, and a member of Jiangsu Vacuum Society. It is committed to providing customers with high-quality brand products and thoughtful and perfect after-sales services. The Company mainly produces and sells twin-screw air compressors, oil-free compressors, gas boosters, gas recovery compressors, Leybold vacuum pumps and Leybold vacuum pump oil, etc. and maintains Leybold vacuum pumps. Besides, the Company can also maintain the vacuum pumps of Edwards, Busch, Pfeiffer, Hanbell and other brands, and provide customers with standard and non-standard equipment manufacturing solutions.

The Company's production base is located in Luoyang City, Henan Province, and its sales headquarters is located in Nanjing City, Jiangsu Province. The Company mainly produces and sells twin-screw air compressors, oil-free compressors, gas boosters, gas recovery compressors, Leybold vacuum pumps and Leybold vacuum pump oil, and maintains compressors and vacuum pumps. Besides, the Company also provides customers with standard and non-standard equipment manufacturing solutions. UNIGY oil-free compressor is applicable to the compression of the following media:sf6,Helium,N2,etc.

Our customers cover the industries of electric power, power equipment, food processing, textile industry, pharmacy, chemical industry, machining, automobiles and parts, automobiles tires, lithium battery and wind power, and we win high praise from customers for excellent product quality and perfect after-sales services.

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Company Culture

Integrity, Innovation, Collaboration, Responsibility

Our Service

Honest and trustworthy, and customer-oriented, to provide customers with perfect services

Products Show

Gas Compressor

The main engine of the compressor adopts oil-free structure design. The products include: sulfur hexafluoride (SF6) compressor, gas recovery compressor, gas booster, high-pressure conpressors, bottle blowing compressor, detection compressor,helium compressor,nitrogen compressor, The compressible media of oil-free compressor include sulfur hexafluoride/helium nitrogen/biogas/propylene/tail gas/well gas/gas/coalbed methane/ chloromethane/ethylene/LNG/butadiene/R22 refrigerant/ethane/Butane/liquefied gas, etc.

Medium- and High-pressure Air Compressor

UNIGY medium- and high-pressure air compressor: air-cooled, multistage compression and splash lubrication. The medium- and high-pressure air compressor features the motor power range of 10-1000 HP and the design pressure of 10 Barg to 800 Barg. When you need a set of medium- and high-pressure compressed air system with low operating cost but outstanding performance, UNIGY medium-pressure and high-pressure air compressor is reliable choice.

Screw Air Compressor

UNIGY oil-flooded rotary screw air compressors offer businesses the very best combination of time-proven designs and technologies plus new, advanced features that ensure the highest levels of reliability, efficiency, and productivity available. Created using our design expertise, many of our screw compressors are available with variable speed drives and an intuitive user interface. At UNIGY, we not only provide world-class products and support, but also the peace of mind that comes from our commitment to stand behind our customers in all aspects of what we do.

UNIGY Vacuum Pump

Oil sealed rotary vane vacuum pumps are being used in all areas of vacuum engineering. They are equally suited for both industrial production and research applications. They may be used to generate a rough and medium vacuum or as backing pumps in pump combinations with Roots vacuum pumps or high vacuum pumps. Rotary vane pumps are built as one- or two stage pumps. The ultimate pressure range is depending on the variant of the pump.

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News

2025.12.17

Essential Components of a Screw Vacuum Pump and Their Functions

　　A screw vacuum pump is a critical piece of equipment in numerous industrial applications, valued for its oil-free operation, high efficiency, and reliability. Understanding the core components that make up a screw vacuum pump helps users optimize performance, reduce downtime, and extend service life. This article explores the essential parts of a screw vacuum pump and explains their roles within the system. 　　At the heart of every screw vacuum pump are the twin intermeshing rotors—typically made from high-grade stainless steel or coated alloys to resist corrosion and wear. The

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Industry

Gas industry

Many equipment in the gas compression industry require air compressors to provide compressed gas sources

New energy industry

Your customers expect stable energy, and we provide you with vital equipment. Air compressors are widely used in a variety of power generation, gas recovery, vacuum and other products

Food and beverage

With the changes in social consumption habits and the increasing emphasis on food safety, the application of vacuum technology in the packaging and food processing fields has become more and more extensive. Food processing covers a wide range of applications, and vacuum and air compressors and gas compressors are often used for different characteristics.

Petroleum gas

石油天然气行业的很多设备都需要空气压缩机提供压缩气源，一些石油天然气设备等。

Textile industry

Your customers expect stable power, and we provide you with vital equipment. Air compressors are widely used in a variety of textile industries

Pharmaceutical industry

Many equipment in hospitals require air compressors to provide compressed air, some medical and health care equipment, dental equipment, breathing equipment, etc.

Machinery manufacturing

Many equipment of automobile manufacturers require Leybold vacuum pumps, screw air compressors to provide compressed air, and some automobile production equipment.

Flat panel display

Many equipment for housing construction require air compressors to provide compressed air sources

Semiconductor Industry

The manufacture of electronic components requires the use of a large amount of compressed air, such as pneumatically transporting components or controlling induction valves.