China Best Air Compressor Free Oil Factory Exporter & Exporters

Pioneering Next-Generation Synthetic Lubrication and Industrial Fluids with Absolute Reliability, Global Compliance, and Unrivaled Cost-Efficiency

Premium Lubrication Solutions

Explore our core collection of engineered industrial fluids designed for heavy duty applications

China Longhai Premium Hydraulic Transmission Fluid

China Longhai Premium Hydraulic Transmission Fluid – Optimized Performance for Smooth Operation Supplier, Exporter

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Wholesale Longhai Premium Anti-Wear Hydraulic Oil

Wholesale Longhai Premium Anti-Wear Hydraulic Oil – Superior Protection for Industrial Applications Suppliers, Service

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Wholesale Longhai CI-4 PLUS Premium Diesel Oil

Wholesale Longhai CI-4 PLUS Premium Diesel Oil – Ultimate Engine Protection & Fuel Efficiency Supplier, Exporters

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China Premium SN Grade Fully Synthetic Motor Oil

China Premium SN Grade Fully Synthetic Motor Oil - The Ultimate Protection for Modern Engines Suppliers, Supplier

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China Longhai CJ-4 Synthetic Diesel Oil

China Longhai CJ-4 Synthetic Diesel Oil – Premium Protection & Performance Exporter, Exporters

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China Four-stroke motorcycle special oil

China Four-stroke motorcycle special oil - Ultimate power protection expert Suppliers, Exporter

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China Longhai Heavy-Duty Gear Oil

China Longhai Heavy-Duty Gear Oil – Ultimate Protection for Extreme Conditions Supplier, Service

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China L-CKC medium load & L-CKD Heavy Duty industrial gear oil

China L-CKC medium load & L-CKD Heavy Duty industrial gear oil Supplier, Service

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Shandong Longhai Lubrication Technology Development Co., Ltd.

Established in 2009 and headquartered in Zibo, Shandong, Shandong Longhai Lubrication Technology Development Co., Ltd. is a premier high-tech enterprise integrating advanced R&D, high-precision blending, and global distribution. Deeply integrated into the lubricants market for over 15 years, we operate a vertically robust industrial chain engineered to deliver world-class lubrication solutions for heavy-duty industrial machinery, marine configurations, automotive fleets, and high-purity air compressors.

Our company proudly champions the proprietary brand "Century Longhai" alongside the internationally strategic brand partner, British "A Ba" series. The comprehensive product portfolio extends across diesel engine oil, gasoline engine oil, gear oil, hydraulic transmission oil, anti-wear hydraulic oil, specialized engineering machinery engine oil, special oil for natural gas powerhouses, fully synthetic formulas, automotive urea solutions, antifreeze, motorcycle specialized oil, industrial process oils, and automatic transmission fluids. Every product is backed by comprehensive quality liability insurance underwritten by PICC (People's Insurance Company of China), assuring global procurement leads of complete operational security.

Longhai Industrial Plant Area

Technological Roadmap & Future Outlook

Pioneering molecular innovation for higher heat thresholds and extreme environments

Synthetic Base Engineering

Transitioning from traditional mineral stocks to advanced Polyalphaolefins (PAO) and complex Ester formulas. This ensures extended oil life cycles exceeding 8,000 hours in demanding rotary screw air compressors by minimizing thermal degradation.

Nano-Additives & Zero Varnish

Utilizing high-purity ashless dispersants and custom anti-foaming polymers. The formulation completely eliminates carbonaceous sludge formation in high-pressure oil-free system components and transmission assemblies.

Eco-Driven Decarbonization

Advancing biodegradable ester technologies that align with European and American environmental mandates, reducing downstream carbon footprint through enhanced thermodynamic efficiency and minimized frictional load.

Macro-Industry Application Engineering

How our fluids support critical manufacturing setups across the globe

Industrial Manufacturing Support

Engineered Lubricants for High-Stakes Sectors

Critical operations require fluids that prevent cross-contamination. While "oil-free" air compressors exclude oil from the compression chamber, the mechanical drive gears, precision bearing sets, and high-velocity rotors demand high-end synthetic oils with zero aerosol migration risks.

  • Automotive Cleanrooms: Ensuring structural finishes remain completely free of airborne silicone or oil mist.
  • Precision Electronics: Eliminating chemical residue hazards on micro-circuitry boards during high-pressure blowing stages.
  • Food & Beverage: Providing high-stability, non-toxic industrial gear lubricants to ensure clean packaging lines.
  • Chemical Processing: Protecting heavy torque transmission systems under continuous operation without degradation.

China Factory 4.0: Uncompromised Scale & Precision

Our Zibo-based production facility leverages state-of-the-art automation systems to satisfy high-volume requirements

131+
Acres Industrial Park
200k
Tons Annual Capacity
1‰-2‰
Filling Accuracy Deviation
35%
Throughput Speed Increase

Our high-precision automatic filling line utilizes volumetric metering controls to achieve a 1‰ to 2‰ volumetric margin of error. This integration achieves a 20% to 35% speed optimization compared to standard mechanical packaging operations. Combined with Zibo's direct freight lanes to major oceanic shipping hubs, we guarantee dynamic shipping times and high-capacity reliability for B2B distributors.

Custom OEM/ODM Formulation Support

From chemical profiling to international private labeling, we deliver turnkey commercial solutions

Custom Formulations

Fully synthetic and semi-synthetic lubricant recipes customized to equipment load profiles, operational climates, or specific viscosity standards.

Flexible Batch Options

Scalable production lines accommodating initial pilot testing runs up to massive tank shipments, with versatile packaging options.

Global Certifications

Certified under ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018. Comprehensive laboratory reports for overseas port entry clearance.

Private Label Design

Complete aesthetic branding design, regulatory compliant safety labeling, and comprehensive documentation to establish high-end brand equity.

Cooperation Workflow

01
Analysis

Detailed evaluation of viscosity, application conditions, and performance specifications.

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02
R&D Lab Blending

Developing specialized formulation variants to meet thermal and shear limits.

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03
Sample Testing

Rigorous assessment under high pressure, checking demulsibility and wear scar index.

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04
Mass Output

Automated bulk processing, filling precision quality check, and packaging safety.

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05
Logistics & Support

Global customs clearance coordination, technical updates, and batch monitoring.

International Compliance & Certifications

Verified quality controls ensuring absolute consistency across every batch

Longhai Technology has passed ISO 9001:2015 quality management, ISO 14001:2015 environmental preservation, and ISO 45001:2018 occupational health standard protocols. Our automatic transmission formulations boast prestigious Mercedes-Benz OEM approvals, providing a solid performance foundation for our industrial lubricants. By introducing modern European manufacturing controls and multi-stage testing setups, we guarantee that all exported fluids retain peak lubricating integrity even under extreme mechanical shear, minimizing client downtime and maintenance expenditure.

State-of-the-Art Laboratory & Factory Showroom

Experience our advanced enterprise environment, joint innovation labs, and premium testing gear

Production Strength & Research Centers

Blending Reactor Tanks

200k-Ton Processing Area

Our plant contains large-scale blending reactors to process multiple container shipments simultaneously, guaranteeing prompt deliveries.

Automatic Control Consoles

DCS Automated Operation

The automated central control console regulates temperature, flow rates, and formulation inputs with minimal human error.

Testing Laboratory Bench

ICP Testing Protocols

Testing every batch for metal element contamination, structural viscosity, flashpoint safety, and moisture levels.

Company Operational Credentials

Official registrations showing our status as an approved high-tech exporter

Heavy Machinery & Industrial Operations

Visual evidence of our lubricants in heavy industrial setups, marine logistics, and mining sites

Expert Q&A: Understanding Compressor Lubricant Selection

Technical answers from our laboratory team to help engineers and procurement leads make informed decisions

Q1: Why do oil-free air compressors require premium gear and bearing oils if the compression chamber is dry?

While the compression chamber of an oil-free compressor operates without fluid contact to protect air purity, the external mechanical gears, synchronizers, and high-velocity bearings still operate under intense load, high heat, and speeds up to 20,000 RPM. A specialized synthetic oil is required in these transmission components to prevent heat degradation, maintain bearing clearance, and guarantee that no synthetic oil vapor escapes past the carbon seals into the clean air output.

Q2: How does Longhai prevent varnish build-up in high-duty rotary screw compressor gearboxes?

Our premium air compressor oils are formulated using selected Group III hydroisomerized base oils combined with advanced synthetic PAO (Polyalphaolefins). We integrate custom ashless antioxidants that prevent thermal oxidation. This avoids the formation of carbonaceous varnish and sticky lacquer coatings, ensuring the internal cooling elements and oil passages remain clear throughout their service life.

Q3: What are the key performance benefits of Longhai's anti-wear hydraulic oil compared to mineral alternatives?

Our wholesale anti-wear hydraulic oils offer superior thermal stability, excellent demulsibility (separating water efficiently), and a high viscosity index. They maintain a reliable protective film under high-pressure conditions, keeping wear scars to a minimum. This protection translates to longer pump lifetimes, reduced valve sticking, and extended oil drain intervals in heavy-duty setups.

Q4: How does the PICC quality liability insurance protect global buyers?

Underwritten by the People's Insurance Company of China (PICC), our quality liability insurance covers damage to mechanical systems directly caused by formulation faults or production variances in our products. This third-party coverage provides international importers, heavy industries, and distribution networks with strong commercial security and operational peace of mind.

Q5: Can Longhai produce custom lubricants according to European OEM parameters?

Yes. Our in-house research laboratory is equipped to analyze OEM reference parameters and customize target lubricants to meet specific viscosity indexes, flashpoints, and pour points. We can align formulations with key global standards, including API, ACEA, DIN 51524, and specific manufacturer approvals such as Mercedes-Benz and Cummins.

Global Procurement & Logistics Infrastructure

For over fifteen years, Longhai Technology has consistently expanded its distribution network. Today, our products are distributed across 139 cities spanning 29 domestic provinces and special administrative regions, while actively exporting to global industrial hubs in Southeast Asia, the Middle East, Central Asia, and Eastern Europe.

By leveraging Zibo's direct shipping lanes, we connect seamlessly to major ports like Qingdao, allowing us to manage bulk shipping logistics with minimal transit delays. Whether you require private labeling, bulk drum supply, or customized formulas, our export division provides end-to-end support, including customs documentation, chemical safety compliance, and batch testing certificates.

Get in touch for customized pricing and technical evaluations:

Our technical export managers are ready to provide custom quotes, laboratory data sheets, and product samples to streamline your procurement process.

Longhai B2B Consultation Services

Complete Industrial Lubricant Lineup

Browse our selection of performance engine lubricants, heavy duty gear oils, and specialty transmission fluids

Wholesale High-performance hydraulic oil

Wholesale High-performance anti-wear hydraulic oil - excellent lubrication protection, improve equipment efficiency Supplier, Service

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China High-performance synthetic diesel engine oil

China High-performance fully synthetic diesel engine oil - born for the extreme Exporter, Exporters

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Wholesale Premium gasoline engine oils

Wholesale Premium SL Gasoline Engine Oils - Advanced Protection for Modern Engines Exporter, Exporters

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China Longhai CF-4 Diesel Engine Oil

China Longhai CF-4 Diesel Engine Oil – High-Temperature Cleanliness & Heavy-Duty Protection Exporter, Exporters

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Wholesale High-performance worm gear oil

Wholesale High-performance worm gear oil - professional lubrication solution Suppliers, Exporters

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China High-efficiency air compressor oil

China High-efficiency air compressor oil - professional lubrication protection, improve compressor performance Suppliers, Exporters

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China LONGHEAD SP Premium Motor Oil

China LONGHEAD SP Premium Motor Oil - The Ultimate Protection for Modern Vehicles Supplier, Exporter

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China Longhai CH-4 Heavy-Duty Diesel Oil

China Longhai CH-4 Heavy-Duty Diesel Oil – Advanced Wear Protection & Engine Cleanliness Exporter, Exporters

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