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Advanced Oil Purification Solutions

Professional manufacturer of oil distillation plants, transformer oil filtration systems, hydraulic oil purifiers, and turbine oil purification equipment with over 20 years of experience. ISO 9001:2015 & CE certified.

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Oil Purification Equipment

About TONGRUI

Chongqing Tongrui Filtration Equipment Manufacturing Co., Ltd. has been dedicated to researching and manufacturing oil purifiers for over 20 years. As a professional and reputable manufacturer, we specialize in oil recycling and purification equipment with unique technologies and extensive industry experience.

Our products meet international standards in quality and efficiency, certified under ISO 9001:2015 and CE. With dozens of patents to our name, we ensure innovation and reliability in every machine we produce.

Our equipment is exported to more than 30 countries and regions worldwide, serving industries such as power generation, manufacturing, petrochemicals, and transportation.

Our Products

High-performance oil purification systems designed for industrial applications. All models are customizable and built to meet international standards.

Transformer Oil Filtration System

Transformer Oil Filtration System

ZJA Series efficiently removes moisture, gas, and impurities from transformer oil to restore dielectric strength and extend equipment life.

  • Single & double stage options
  • High dehydration efficiency
  • CE & ISO certified
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Hydraulic Oil Purifier

Used Hydraulic Oil Filtration System

Designed for reclaiming used hydraulic oil with wide application across industrial machinery and mobile equipment.

  • Removes water, particles, and gases
  • High vacuum dehydration
  • Fully automated operation
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Turbine Oil Purification

High Vacuum Turbine Oil Purifier

ZJC series treats unqualified turbine oil, especially effective for removing micro-water and dissolved gases.

  • Ultra-low moisture removal
  • Polishing filtration system
  • PLC control available
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Fuel Oil Purifier

Fuel Oil Purification System

Removes iron flakes, dust, impurities, water, and organic substances from inferior fuel oil to improve combustion efficiency.

  • Multi-stage filtration
  • High flow rate options
  • Corrosion-resistant materials
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Oil Distillation Plant

Waste Oil Distillation Plant

Converts used engine oil and waste lubricants into reusable yellow oil through advanced distillation technology.

  • Full recycling solution
  • Environmentally friendly
  • High yield recovery
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Portable Oil Water Separator

Portable Oil Water Separator

Compact and mobile system for on-site oil-water separation with dehydration and degassing capabilities.

  • Easy to transport
  • Wide range of applications
  • Simple maintenance
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Vacuum Oil Purifier

General-purpose vacuum dehydration and degassing system for various industrial oils including lube, gear, and compressor oils.

  • Multi-functional design
  • Low energy consumption
  • Customizable capacity
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Waste Hydraulic Oil Cleaning Machine

ZJD-R model features high vacuum technology with integrated dehydration plant for deep cleaning of contaminated hydraulic fluids.

  • Advanced vacuum chamber
  • Self-cleaning filters
  • Remote monitoring option
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Why Choose TONGRUI?

Decades of engineering excellence, global compliance, and customer-focused innovation.

Certified Quality

ISO 9001:2015 and CE certified manufacturing processes ensure reliability and safety.

Global Reach

Equipment exported to over 30 countries with localized support and service.

Innovation

Over 20 years of R&D with dozens of patents in oil purification technology.

Custom Solutions

Tailored systems to meet specific industrial requirements and flow rates.

20+

Years Experience

30+

Countries Served

50+

Patents Held

1000+

Units Installed

Industry Knowledge

Insights into oil filtration, recycling, and sustainable practices.

Waste Oil Filtration & Renewable Base Oil

Filtrating waste oil is an environmentally friendly practice. Filtration removes impurities and contaminants, enabling reuse as base oil.

Reuse of Insulating Oil

Insulating oil in transformers degrades over time. Proper filtration restores dielectric strength and extends transformer life.

Waste Machinery Oil Reuse

Used machinery oil can be decontaminated, decolorized, and reused after proper treatment, reducing environmental impact.

Role of Waste Oil Distillation

Waste oil distillation separates impurities using heat, producing reusable oil fractions in an eco-friendly manner.

Get in Touch

Contact us for product inquiries, technical support, or custom solutions. We respond within 24 hours.

Phone

+86-189 9620 4170

Email

[email protected]

Address

No.1-2, Building 55, No.118, Tongtao North Road, Jiulongpo District, Chongqing, China

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