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Transformer oil
It is a liquid substance used as an insulating and cooling medium in electrical equipment, primarily filling the interiors of transformers, instrument transformers, and similar devices, where it plays a critical role in isolating live components and dissipating heat.
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Vacuum oil purifier
It is an industrial fluid purification device developed and manufactured by companies such as Koya Filtration and Chongqing Zhongjing, primarily used in the power, chemical, petroleum, and metallurgical industries.
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turbine oil purifier
It is an industrial purification device specifically designed to treat high‑water‑content, easily emulsifiable, and contaminated oils such as gas turbine oil and turbine oil. As a domestically pioneered product, it is primarily used in the lubrication oil systems of steam turbine units across industries including power generation, chemical processing, and metallurgy.
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Filter refueling machine
It is primarily used to remove water, solid contaminants, and other impurities from lubricants, hydraulic fluids, and fuels while refilling machinery, thereby ensuring safe equipment operation and extending the service life of the lubricants.
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Product Series
About Us
Chongqing Meiheng Mechanical & Electrical Co., Ltd.
Chongqing Meiheng Mechanical & Electrical is a professional manufacturer of vacuum oil purifiers, specializing in Chongqing‑made oil filtration equipment, vacuum oil purifiers, turbine‑specific oil filters, fully automatic water separators, vacuum pumps, and more. Committed to customer service, Meiheng boasts many years of experience in oil‑filtering machinery production, offering competitive wholesale prices. Feel free to call for inquiries! Chongqing Meiheng Mechanical & Electrical Co., Ltd. is located on Gele Mountain in Shapingba District, Chongqing. The company is a technology‑driven enterprise that researches, designs, manufactures, and markets oil‑purification systems, water‑treatment equipment, complete dosing‑system packages, and chemical products as its core offerings. It also provides specialized auxiliary‑system technical services and product‑integration solutions for related industries.
The company was founded in 2003.
25 major product series
Over 300 models and specifications
Company's land area
Four Major Advantages
A benchmark for high-performance products, offering peace of mind.
Saves merchants time and effort.
Application Field · Application in Power Transmission and Transformation Projects
Transmission and transformation is a critical component of the power system that enables long-distance delivery of electrical energy by means of voltage conversion. It encompasses transmission lines and substations, with voltage levels ranging from low, medium, and high to extra-high and ultra-high.
Application Field · Machining Machinery Applications
Machining refers to the process of altering the dimensions or properties of a workpiece using mechanical equipment. Based on the machining method, it can be classified into cutting machining and forming (or pressure) machining.
Application Field · Petrochemical Applications
Petroleum refers to liquid and solid hydrocarbon mixtures that occur naturally. It is further classified into crude oil, natural gas, natural gas liquids, and natural tar, among other forms; however, the term “petroleum” is commonly used to denote “crude oil.”
Application Field · Steel smelting applications
Iron and steel smelting is the collective term for the metallurgical processes involved in producing steel and iron. In industrial production, iron is classified according to its carbon content into pig iron (with a carbon content of 2% or more) and steel (with a carbon content below 2%).
Application Field · Aerospace Construction Machinery Applications
Aerospace, also referred to as spaceflight, space travel, space navigation, or space mission, is a collective term for all activities involving the entry into, exploration of, development and utilization of outer space—i.e., the cosmic space beyond Earth’s atmosphere—and celestial bodies beyond Earth.
News and Information
What should you pay attention to when purchasing a vacuum oil purifier?
2026-04-27
Common Faults of Oil Filters and Their Solutions
2026-04-27
Causes of High Engine Temperature in Oil Filtration Units and Corresponding Solutions
2026-04-27