Premium grade formulation systems engineered to exceed global operational guidelines.
In contemporary heavy industries, power transmission systems are subjected to higher mechanical stresses, extreme pressure environments, and wider thermal variance than ever before. Gear lubrication technologies must prevent metal-to-metal contact, reduce parasitic friction losses, and offer thermal stability to prevent varnish and sludge accumulation. Brands like Lucas Oil have established global reputations for high-viscosity-index formulation systems that provide thick hydrodynamic protection layers under severe load states.
As a premier global supplier and exporter of heavy-duty industrial lubricants, Shandong Longhai Lubrication Technology Development Co., Ltd. has developed specialized gear oil formulations that provide equivalent or superior mechanical shear resistance. Our formulations leverage advanced synthetic base stocks (Group III and Group IV PAO) combined with optimized Extreme Pressure (EP) additive packages. This structural technology optimizes gear contact dynamics, extending gear and bearing life cycles in sectors such as deep-well marine transport, open-pit mining operations, high-speed rail transportation, and planetary wind turbine assemblies.
Established in 2009 and headquartered in Zibo, Shandong, Shandong Longhai Lubrication Technology Development Co., Ltd. has grown over the last 15 years into a leading high-tech enterprise integrating research, development, custom blending, and global distribution of chemical lubricants. With a facility spanning 131 acres and an annual manufacturing output capacity of 200,000 tons, the company maintains complete control over the chemical engineering supply chain.
Longhai Technology manages its proprietary flagship brand "Century Longhai" alongside its strategic international partnership brand, the British "A Ba" series. Our comprehensive product portfolio satisfies multiple sectors, offering:
To verify our quality commitment, the complete product line is insured by PICC China People's Insurance Company, providing liability protection and peace of mind to international wholesale buyers and commercial fleet operators.
The global demand for high-viscosity-index industrial gear oils requires manufacturing systems that maintain batch consistency, control oxidation rates, and prevent cross-contamination. Longhai Technology's production facility leverages automated blending control system (DCS) architectures and automated filling hardware. Our advanced volumetric metering system guarantees filling accuracy parameters between 1‰ to 2‰, minimizing fluid losses.
By integrating inline pre-heating, multi-stage shearing, and high-frequency filtration systems, the plant operates with a 20% to 35% speed improvement over traditional batch-blending installations. This production throughput ensures that high-volume wholesale requirements are fulfilled rapidly, allowing international distributors to maintain optimal inventory levels.
Longhai Technology invests over 5% of its annual revenues back into its central research laboratory and university research collaborations. We analyze raw base oil imports and additive chemistry using gas chromatography, atomic emission spectroscopy, and automatic viscometric instruments.
Our formulations undergo high-shear stability evaluations, extreme pressure wear assessments (via four-ball testing methodologies), and low-temperature Brookfield viscosity profiling. This ensures every batch of gear oil delivers reliable elastohydrodynamic film thickness under high shock-load states.
Our manufacturing facility operates under rigorous international quality frameworks. Longhai Technology holds certified compliance with:
These quality credentials certify that our industrial and automotive gear oils maintain extreme viscosity-shear stability, control seal swelling, and prevent yellow-metal corrosion in multi-metal gear structures.






Comprehensive custom blending to meet specific equipment parameters, climate conditions, and market positions.
We engineer fully synthetic and semi-synthetic lubricant recipes to meet international standards including API, ACEA, and custom OEM approvals.
Supporting pilot production runs up to high-volume commercial fills, covering automotive, marine, and industrial gear lubricants.
Every product batch is accompanied by comprehensive laboratory test reports, assuring complete regulatory compliance.
We provide full label design, bottle mold customization, packaging design, and comprehensive technical documentation support.
Demand Analysis
Formula Development
Sample Testing
Production Delivery
After-Sales Support
A visual insight into Shandong Longhai's advanced production capacity and scientific research centers.












Different machinery configurations require distinct tribological designs. High-performance gear oils must be engineered to address local operating variables across key industries:
For international procurement managers, securing a reliable supply of premium gear oil involves balancing quality standards, shipping logistics, and cost efficiency. Longhai Lubrication Technology provides high-performance alternatives to major brands like Lucas Oil, enabling wholesale buyers to lower operational expenses without sacrificing equipment protection.
To ensure transit safety, we offer various packaging options, including 1-liter bottles, 4-liter jugs, 18-liter pails, 200-liter steel drums, and high-volume IBC totes. Located in Shandong, our facility benefits from excellent transport links to Qingdao Port, ensuring efficient container loading, customs clearance, and global shipping.
The industrial lubrication sector is shifting toward energy-efficient, environmentally friendly, and long-drain formulations. Our R&D team is focused on developing next-generation solutions:
Key technical and logistics insights for procurement officers and industrial engineers.
Advanced wear protection and oxidation control for high-load, high-temperature applications.