China Top Full Synthetic Gear Oils Exporters & Service

Premium PAO & Ester Formulations Insured by PICC | Industrial Grade Efficiency, Extreme Temperature Operations, and Custom Lubrication Programs

Premium Synthetic & Industrial Lubrication Portfolio

Engineered for high thermal loads, boundary lubrication protection, and operational efficiency under extreme industrial operations.

Wholesale Longhai Premium Anti-Wear Hydraulic Oil
Industrial Protection

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

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Wholesale High-performance anti-wear hydraulic oil
Efficiency Booster

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

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China LONGHEAD SP Premium Motor Oil
API SP Standard

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

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

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

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China Longhai CH-4 Heavy-Duty Diesel Oil
Engine Protection

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

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Wholesale High-performance worm gear oil
Worm Gears

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

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Wholesale Premium SJ Grade Gasoline Engine Oil
Standard Grade

Wholesale Premium SJ Grade Gasoline Engine Oil - Superior Protection and Performance Supplier, Exporter

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China Longhai Premium Hydraulic Transmission Fluid
Smooth Transmission

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

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Established 2009

Shandong Longhai Lubrication Technology Development Co., Ltd.

For over 15 years, Shandong Longhai Lubrication Technology has served as a central node in the global high-performance lubricants ecosystem. Based in Zibo, Shandong, our facility integrates raw material synthesis, advanced formulation development, dynamic high-capacity blending, and extensive laboratory testing.

We manage our flagship proprietary brand, "Century Longhai", while sustaining a long-term strategic partnership with the premium British "A Ba" series. In a market where chemical integrity corresponds directly to equipment lifespan, our complete product range—covering synthetic diesel and gasoline motor oils, industrial and marine gear oils, high-shear hydraulic transmission fluids, and special engine oils—is insured by PICC (People's Insurance Company of China). This insurance acts as a direct performance guarantee, ensuring total risk mitigation for industrial operators worldwide.

"We do not merely supply bulk gear oils; we deliver microscopic engineering. By combining Polyalphaolefin (PAO) and high-polarity Ester base stocks, our full synthetic lubricants reduce frictional wear coefficients by up to 35% compared to conventional Group II/III oils."
Longhai Intelligent Production Facility

15+ Years

Lubricant R&D History

200k Tons

Annual Blending Capacity

131 Acres

Modern Production Base

139 Cities

Global Sales Coverage

Global & Industrial Context of Full Synthetic Gear Oils

Analyzing the performance gaps between traditional mineral formulations and next-generation synthetic alternatives in heavy-duty setups.

Industrial Gear Assembly Application

Understanding the PAO vs. Mineral Dichotomy

Modern heavy machinery operates under extreme pressures, higher power densities, and tighter physical dimensions. These trends have pushed traditional Group I and Group II mineral gear oils to their thermal limits. Under heavy loads, mineral-based oils experience rapid shear degradation and high-temperature oxidation, resulting in sludge buildup, micropitting, and gearbox failures.

Shandong Longhai's Full Synthetic Gear Oils resolve these challenges through custom molecular design:

  • High Viscosity Index (VI): Our formulations maintain a stable oil film across operating temperatures ranging from -45°C to 150°C, preventing boundary friction during cold start-ups and peak operations.
  • Superior Shear Stability: Standard mineral oils contain long-chain polymers that break down under load. Our PAO (Polyalphaolefin) molecules resist physical shearing, maintaining their viscosity profile throughout the entire service interval.
  • Lower Frictional Coefficient: The molecular uniformity of full synthetics decreases internal fluid friction, reducing energy consumption in gearboxes by 2% to 8%.
Performance Property Conventional Mineral Oils (Group II) Longhai PAO Full Synthetic Gear Oils Operational Value-Add
Operating Temp Range -15°C to 90°C -45°C to 160°C Eliminates the need for seasonal oil changeouts in extreme climates.
Viscosity Index (VI) 90 - 105 160 - 190+ Prevents oil thinning at high heat; ensures fluid flow at sub-zero.
Oxidation Lifetime (TOST) 1,500 - 2,500 hours 10,000+ hours Extends oil drain intervals up to 4x, lowering operational downtime.
Micropitting Resistance Moderate/Low High (Class FLS 12+) Protects precision gear teeth in heavy machinery from premature wear.

Technology Roadmap & Future Development

How Shandong Longhai is pioneering formulations to meet next-generation industrial demands and ESG criteria.

Advanced Micro-Pitting Mitigation

Developing extreme-pressure (EP) additive packages that form chemical barrier layers at a molecular level. This target prevents micro-pitting fatigue in high-load planetary gears used in wind energy and heavy mining applications.

Biodegradable Synthetic Esters

Aligning with global ESG directives, our R&D team is scaling bio-derived synthetic esters that deliver equivalent lubrication capabilities while breaking down safely in offshore drilling and forestry environments.

Electric Vehicle (EV) E-Axle Fluids

Integrating insulation and heat transfers within synthetic lubricants. Our ultra-low viscosity synthetic gear oils offer oxidation protection for electric vehicle motors running up to 20,000 RPM.

Localized Application Scenarios

Customizing lubrication solutions to match specific industrial and environmental operating conditions worldwide.

01

Sub-Zero Marine & Wind Power

In offshore wind farms across Northern Europe and the Arctic Circle, extreme cold causes conventional lubricants to wax and gel. Longhai's PAO gear oils, featuring flow points down to -45°C, remain fluid during startup, protecting gearboxes and ensuring clean power generation.

02

High-Temperature Mining & Metallurgy

Deep mines and hot strip steel mills subject gearboxes to heavy shock loads, dust, and high temperatures. Longhai's L-CKD heavy-duty gear oils contain specialized sulfur-phosphorus anti-wear packages that prevent scoring and steel-on-steel welding under extreme loads.

03

High-Humidity Coastal Ports

Marine cranes, container ships, and port winches face constant exposure to salt air and water contamination. Our synthetic formulations incorporate advanced demulsifiers that rapidly separate water from the oil, preventing internal component rust and acid wear.

Industrial Production Capacity & Quality Controls

Operating a 131-acre manufacturing center with high-precision blending lines and quality assurance validation.

1‰ High-Precision Automatic Metering & Blending

Shandong Longhai Lubrication Technology invests over 5% of its annual revenues back into laboratory development and automation. Our modern facility features fully automated batch blending platforms that maintain precise additive-to-base-oil ratios within a strict 1‰ - 2‰ margin of error.

This precision ensures that every batch of gear oil produced matches the chemical composition developed in our laboratories. In addition, the integration of high-speed automatic filling lines has improved our production efficiency by 20% to 35%, ensuring short lead times for international orders.

Our facility operates under a strict Integrated Management System (IMS), carrying verified certifications across global benchmarks:

  • ISO 9001:2015: Quality Management Systems
  • ISO 14001:2015: Environmental Safety Standards
  • ISO 45001:2018: Occupational Health and Safety
  • Mercedes-Benz Approval: For automatic transmission fluid specifications.
Longhai Analytical Laboratories

Tailored OEM/ODM Technical Customization

A step-by-step engineering pathway from initial viscosity design to final packaged formulation delivery.

01. Viscosity Optimization
02. Additive Synthesis
03. Extreme Lab Testing
04. Flexible Packing
OEM Production and Packaging Service

Custom Formulation Development

We develop fully synthetic and semi-synthetic lubricant formulations tailored to your vehicle or equipment requirements, climatic conditions, or target market positioning. Our engineering team designs oils to meet or exceed international standards like API, ACEA, AGMA, and custom OEM specifications.

Whether you require a dedicated high-load ISO VG 320 wind turbine oil or a fuel-efficient EV gear oil, we provide small-scale trial production runs prior to high-volume manufacturing, helping mitigate developmental risk.

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1. Demand Analysis

Next Step

2. Formula Development

Next Step

3. Sample Testing

Next Step

4. Production Delivery

Next Step

5. After-Sales Support

Specialized Lubrication & Fleet Solutions

Providing specialized engine, turbine, compressor, and heavy machinery gear oils formulated for severe operating conditions.

China High-performance fully synthetic diesel engine oil
Synthetic Diesel

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

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Wholesale Longhai CI-4 PLUS Premium Diesel Oil
CI-4 PLUS Grade

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

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Wholesale Professional solution for turbine oil
Turbine Solutions

Wholesale Professional solution for turbine oil - efficient lubrication protection system Exporters, Service

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China Longhai CF-4 Diesel Engine Oil
CF-4 Fleet Grade

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

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China Longhai CJ-4 Synthetic Diesel Oil
CJ-4 Premium

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

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China High-efficiency air compressor oil
Air Compressors

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

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Wholesale Premium SL Gasoline Engine Oils
SL Grade Protection

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

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China Longhai Heavy-Duty Gear Oil
Extreme Pressure Gears

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

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Enterprise Environment & Testing Facilities

Our commitment to quality control is supported by our fully equipped laboratories and research facilities.

Technical FAQ & Selection Guide

Addressing the common questions raised by procurement directors and maintenance engineers regarding synthetic gear lubricants.

Q1: What are the operational advantages of PAO-based synthetic gear oils over standard mineral-based oils?
PAO (Polyalphaolefin) synthetic gear oils have a uniform molecular structure without the volatile compounds and impurities found in mineral oils. They provide a higher viscosity index (stable film thickness under high heat), lower pour points (flowing smoothly at down to -45°C), and significantly greater oxidation resistance. This translates to lower friction coefficients, reduced gearbox operating temperatures, and extended oil drain intervals (up to 4 times longer than mineral oils).
Q2: Does Shandong Longhai provide custom formulation services for specific industrial gearboxes?
Yes. Through our custom OEM/ODM services, we adjust viscosity grades (from ISO VG 68 to 1000), anti-wear additive configurations, extreme-pressure (EP) balances, and demulsibility rates. Our R&D center partners with customers to tailor formulations to specific mechanical designs, extreme climates, or target cost profiles.
Q3: How does Shandong Longhai manage quality assurance and ensure consistency across large product batches?
Our Zibo production center operates high-precision automated blending systems that control component ratios within a 1‰ to 2‰ margin of error. Every production run undergoes laboratory testing to verify kinematic viscosity (ASTM D445), flash point (ASTM D92), pour point (ASTM D97), and copper strip corrosion (ASTM D130) before packaging and shipment. Our quality management systems are certified under ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018.
Q4: Are Shandong Longhai products covered by liability insurance?
Yes. To guarantee product reliability and protect our global partners' equipment, our full product line is insured by the PICC (People's Insurance Company of China). This coverage underlines our commitment to product quality and provides third-party assurance for large-scale operations.

Contact Our Technical Support Team

Inquire about custom blending, bulk export options, pricing, and technical specifications. Our engineers will respond within 24 business hours.