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Industrial Lubricants

Synthetic Ester Base Oil
Manufacturer

Premium synthetic ester lubricant base oils and additive components engineered for high performance, durability, and environmental sustainability across automotive, industrial, and aviation sectors.

About BAOILS

ZHEJIANG SHENGZHOU TRULY IMPORT AND EXPORT CO., LTD.'s subordinate factory has been a pioneer in synthetic ester technology for over 30 years. With continuous innovation and R&D, we have developed a comprehensive product line of more than 50 high-performance synthetic ester base oils and additive packages.

Manufacturing Facility

Our Core Expertise

We specialize in synthetic ester lubricating oil base oils, including double ester, single ester, polyol ester, polyacid ester, and composite ester formulations. Our products are known for their low freezing point, high flash point, and high viscosity index—ideal for extreme operating conditions.

Additionally, we produce advanced automotive engine coolant corrosion inhibition compounds, including organic (semi-organic) inhibitors and polycarboxylic acid corrosion inhibitors.

Product Quality Assurance

30 years of experience has enabled us to establish a strict quality control system from raw material procurement to packaging and transportation, ensuring compliance with international standards.

Strong Production Capacity

Equipped with advanced production equipment and technology, we efficiently deliver high-quality large-volume orders with consistent reliability.

Rich Industry Experience

Over 20 years of foreign trade experience gives us deep insight into global market trends, customer needs, and international trade regulations.

Professional Team

Our experienced, efficient, and professional foreign trade team ensures seamless communication and exceptional service for every client.

Our Products

Discover our high-performance synthetic ester base oils and lubricant additive components designed for extreme conditions and long-term reliability.

Special Base Oil for Transformer Oil

Special Base Oil for Transformer Oil

A saturated polyol ester, green and environmentally friendly, with excellent low thermal expansion coefficient and high dielectric strength.

  • • Saturated polyol ester (POE)
  • • Low thermal expansion
  • • High insulation performance
  • • Eco-friendly formulation
Special Base Oil for Gear Oil

Special Base Oil for Gear Oil

Formulated with anti-wear and extreme pressure agents, delivering maximum load capacity and superior performance under high stress.

  • • High EP performance
  • • Anti-wear protection
  • • High viscosity index
  • • Low pour point
High Temperature Chain Oil Base Oil

High Temp Chain Oil Base Oil

High flash point, low pour point, anti-coking, and anti-carbon buildup—ideal for continuous high-temperature operations.

  • • High flash point
  • • Low pour point
  • • Anti-coking properties
  • • Oxidation resistance
Aviation Engine Oil Base Oil

Special Base Oil for Aviation Engine Oil

Engineered for extreme conditions: high flash point, low pour point, and resistance to coking and carbon formation.

  • • High thermal stability
  • • Low volatility
  • • Anti-carbon properties
  • • Aviation-grade purity
POE Series

Pentaerythritol Ester Series

Saturated polyol ester (POE) formed by reacting pentaerythritol with high- and low-carbon fatty acids. Ideal for refrigeration and high-performance lubricants.

  • • High hydrolytic stability
  • • Excellent lubricity
  • • Low volatility
  • • Biodegradable options
Additive Package

Lubricant Additive Package

Customizable additive blends including detergents, dispersants, antioxidants, and corrosion inhibitors for tailored performance.

  • • Detergent & dispersant
  • • Antioxidant agents
  • • Rust preventive
  • • Viscosity modifiers
Double Ester

Double Ester Base Oil

High-performance diester with excellent low-temperature fluidity and high-temperature stability.

  • • Low pour point
  • • High flash point
  • • Good solvency
  • • Biodegradable
Composite Ester

Composite Ester Base Oil

Blended ester technology combining performance benefits of multiple ester types for balanced properties.

  • • Balanced viscosity
  • • Thermal stability
  • • Low volatility
  • • Cost-effective performance

Industry Applications

Our synthetic ester base oils and additives are trusted across diverse sectors for their reliability, efficiency, and environmental compatibility.

Transportation

Used in engine oil, transmission oil, gear oil, brake fluid, and grease to protect critical components, reduce friction, and extend service life.

  • • Automotive engines
  • • Transmissions & gears
  • • Brake systems
  • • Grease formulations

Industrial Manufacturing

Applied in turbine oil, transformer oil, and hydraulic oil for lubrication, insulation, and cooling of critical power and industrial equipment.

  • • Turbine lubrication
  • • Transformer insulation
  • • Hydraulic systems
  • • Generator sets

Other Fields

Widely used in agricultural machinery such as tractors and harvesters for engine, gear, and hydraulic lubrication.

  • • Tractors
  • • Harvesters
  • • Irrigation systems
  • • Farm equipment

Frequently Asked Questions

What are synthetic ester base oils?

Synthetic ester base oils are high-performance lubricants synthesized from organic acids and alcohols. They offer superior thermal stability, low volatility, and excellent lubricity compared to mineral oils.

Are your products environmentally friendly?

Yes, many of our ester base oils, especially polyol esters, are biodegradable and formulated to be green and environmentally sustainable.

Can you customize additive packages?

Absolutely. We offer tailored lubricant additive packages including detergents, dispersants, antioxidants, and corrosion inhibitors based on specific application requirements.

What industries do you serve?

We serve automotive, power generation, industrial manufacturing, aviation, and agricultural machinery sectors with specialized lubricant solutions.

Do you support bulk orders?

Yes, with strong production capacity and advanced equipment, we efficiently handle large-volume international orders with consistent quality.

Get in Touch

Ready to discuss your lubricant needs? Contact us for product details, samples, or custom formulations.

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