China Leading Oil Purifier Manufacturer
YUNENG specializes in the research and development, manufacturing, sales, and service of oil, water, and gas filtration and purification products and complete sets of equipment. We are a high-tech oil purifier manufacturer specializing in researching and manufacturing high-tech oil purifiers.
We have passed ISO quality management certification, some products have obtained CE certificates, and ten new technologies have obtained national invention patents.
OUR PRODUCTS
ZJA Double Stage Transformer Oil Filtration Machine
ZJA Double Stage Transformer Oil Filtration Machine’s purpose is to filter impurities in waste transformer oil. Enhances transformer oil properties for 66KV to 500KV power transmission projects.
GF Series Dry Air Generator For Transformer
YUNENG GF Series Dry Air Generator For Transformer is designed to suit transformer applications. The machine could achieve a dew point – 70℃ or better.
SF6 Gas Purification Machine
The SF6 gas purification machine is mainly used in SF6 electrical or switch manufacturers, power supply bureaus, transmission and distribution engineering companies, hydropower departments, construction companies, research institutes, and power plants.
ZJ Series Vacuum Pump Unit
Vacuum pump units are widely used for efficient vacuum drying and vacuuming in the installation and maintenance of large transformers. Suitable for vacuuming in substations, transformer manufacturing plants, and power plants.
If you have any needs, please contact us immediately, we will provide you with the best quality service.
WHY CHOOSE YUNENG? – A PROFESSIONAL OIL PURIFIERS MANUFACTURER
Cost-Effective
Professional Team
Perfect Packaging and Shipping
Have a large Customer Base
WHY CHOOSE US
Rich Experience
Leading manufacturer in industrial oil and gas treatment with more than 25 years experiences.
Tailored Design
Specializes in making your systems suit your needs & requirements. Every system is custom engineered & custom designed.
Professional Technical Team
Professional pre-sales, in-sale and after-sales service team to meat customer’s requirement
Reliable Quality, Durable System
Top-quality components and workmanship ensure high performance
ABOUT US
Chongqing Yuneng Oil-Filter Manufacturing Co., Ltd. is a leading high-tech joint-stock enterprise dedicated to engineering-grade oil and gas purification systems. Established on the foundation of the former Yuneng Oil-Purifier Factory, we have grown into a globally recognized manufacturer and solution provider with a history spanning over 30 years.
We partner with utilities, EPC firms, manufacturers, and research institutions to protect critical electrical assets and optimize operational reliability. Our engineering solutions address key risks in transformer commissioning, electrical insulation systems, and gas-insulated equipment maintenance…
OUR CERTIFICATES
BUSINESS PARTNERS
FREQUENTLY ASKED QUESTIONS
NEWS
Transformer Oil Purification Machine Replacement Peak 2026–2028
How to Optimize Dry Air Generators for Transformers in High-Humidity Coastal Regions
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If you have any needs, please contact us immediately, we will provide you with the best quality service.