Engineered to withstand severe temperatures, minimize metal-on-metal friction, and maximize mechanical thermal efficiency.
How Modern High-Stress Workloads Mandate Advanced Tribological Formulas
In the current global manufacturing paradigm, machinery operates under unprecedented levels of mechanical stress, velocity, and thermal extremes. Industrial lubrication is no longer just a maintenance necessity; it is a critical strategy for energy conservation, emissions reduction, and operating life extension. Modern manufacturing lines, heavy-duty logistics, offshore wind turbines, and aerospace engineering systems depend heavily on specialized chemical formulas that reduce wear coefficient to values approaching zero.
According to international industrial research, mechanical wear and failure due to lubrication issues account for over 50% of machine downtime in heavy manufacturing sectors. As industries transition to automated, continuous-operation setups, the demand for premium synthetic-based formulations (such as PAO, PAG, and Ester-based oils) has surged compared to conventional mineral oils. These synthetic variants offer high shear stability, elevated viscosity indexes (VI), and superior oxidation resistance. Selecting the right supplier is the difference between achieving sustained operational efficiency and suffering unexpected, costly outages.
Modern machine components demand thin but resilient hydrodynamic lubrication barriers. The presence of advanced anti-wear (AW) and extreme-pressure (EP) additives guarantees the formation of a molecular boundary film capable of shielding metal surfaces even under shock-load conditions.
Established in 2009 and headquartered in the industrial hub of Zibo, Shandong, Shandong Longhai Lubrication Technology Development Co., Ltd. is a high-tech pioneer integrating R&D, production, and global export distribution. For over 15 years, our specialized engineers have developed innovative products designed to solve complex tribological problems.
Our core asset portfolio includes our premium domestic brand "Century Longhai" alongside our international strategic partner brand, the British "A Ba" series. We offer a highly comprehensive product mix covering diesel engine oils, gasoline engine oils, gear oils, hydraulic transmission fluids, anti-wear hydraulic oils, special engineering machinery oils, natural gas engine lubricants, full synthetic motor oils, automotive urea solutions, antifreezes, motorcycle lubricants, and specialized industrial oils. To protect our customers' operations, all products are quality-insured by PICC (People's Insurance Company of China).
Unmatched Blending Precision, Huge Annual Capacity, and Rapid Global Export Capabilities
Operating from an expansive 131-acre high-tech production complex, Longhai Technology maintains an annual production capacity of 200,000 tons. Our facility features advanced blending stations and fully automated filling lines designed to optimize viscosity blending and additives dispersion.
Our filling lines run on volumetric and gravimetric metering systems, securing an exceptional filling accuracy of 1‰ to 2‰. This automation setup improves packaging rates by 20% to 35% relative to older industry setups. Through these systems, we can easily satisfy large-scale wholesale orders while maintaining fast dispatch speeds. We serve 139 cities across 29 Chinese provinces and autonomous regions, alongside a growing international client base in Southeast Asia, Europe, and the Middle East.
Advanced Blending Station
Automated Packaging System
Global Dispatch Depot
Driving Innovation in Molecular Lubrication Science
Longhai Technology reinvests more than 5% of its annual sales revenue back into our dedicated laboratories and university partnerships. This commitment fuels our focus on developing the next generation of industrial fluids. We have constructed a clear technology development pipeline to address changing global standards:
Developing bio-based, biodegradable lubricants with low ecotoxicity that comply with strict marine and forestry regulations, all without compromising load-bearing limits.
Optimizing synthetic base oil blends with high-stability polymers to prevent viscosity loss in extreme operations, protecting gears and bearings from boundary wear.
Integrating nano-scale ceramic and organic-metallic additives. These particles fill micro-cavities on metal faces to form low-friction sacrificial layers.
Delivering Tailored Performance Across Diverse Engineering Environments
Industrial machines operate under very different local constraints. The ambient humidity of marine ports requires different rust protection than the dust-filled environments of desert mining projects. Longhai has engineered specialized formulas to address these localized application requirements:
Our compliance framework is supported by internationally recognized quality certifications. Shandong Longhai has achieved ISO 9001:2015 Quality Management, ISO 14001:2015 Environmental Management, and ISO 45001:2018 Occupational Health and Safety certifications. In addition, our automated transmission lubricants hold official Mercedes-Benz quality approvals.





Turnkey Formulation Development & Specialized Packaging Services
We develop semi-synthetic and fully synthetic formulations tailored to specific machinery speeds, operating temperatures, and target markets to meet international API and ACEA benchmarks.
Our packaging facilities accommodate everything from small test runs to high-volume production batches, utilizing diverse container shapes, custom labels, and secure shipping materials.
1. Demand Analysis
2. Formula Development
3. Sample Testing
4. Production Delivery
5. After-Sales Support
Expert Answers to Critical Industrial Lubricant Questions
Q1: How do API classifications (such as SP and CK-4) protect modern mechanical engines?
API (American Petroleum Institute) categories define exact lubricant performance standards. For example, API SP gasoline lubricants are formulated to prevent Low-Speed Pre-Ignition (LSPI) and mitigate timing chain wear in modern turbocharged engines. For commercial transport, API CK-4 diesel oils offer enhanced oxidation control, shear stability, and soot dispersion compared to older CJ-4 or CI-4 formulations, protecting components under severe high-temperature workloads.
Q2: Why is viscosity index (VI) critical in choosing industrial anti-wear hydraulic oil?
The viscosity index measures how much a lubricant's viscosity changes in response to temperature fluctuations. A high VI indicates that the oil remains fluid and pumpable at low temperatures, yet maintains a strong lubricating film at high temperatures. High VI fluids are essential for outdoor systems like mobile construction equipment and marine hydraulics that experience wide ambient temperature variations.
Q3: How does Longhai guarantee the quality and formulation accuracy of export orders?
Every batch of Century Longhai lubricant undergoes strict quality checks in our testing laboratories, using ASTM methods to verify viscosity, flash point, pour point, water separation, and total base number (TBN). Our plant operates under certified ISO 9001 and ISO 14001 workflows, and all products are backed by PICC insurance to give international buyers full confidence.
Q4: Can Longhai match performance specifications for OEM gearboxes and compressors?
Yes. Our engineering division reviews OEM specification documents (such as DIN 51517 for gear oils or DIN 51506 for compressors) to match or exceed the required physical and chemical properties. We design tailored replacement formulas for systems from major equipment builders, helping you optimize maintenance costs without compromising machine warranties.
Q5: What are the shipping lead times and packaging options for bulk export orders?
We offer diverse packaging formats, including 1-liter and 4-liter bottles for retail, 18-liter pails for fleet workshops, and 200-liter drums or IBC totes for heavy industrial applications. Standard export orders are processed through Qingdao port, and shipments are typically dispatched within 15 to 25 days following formulation sign-off.
Engineered to deliver exceptional thermal stability, anti-foaming behavior, and rust protection across long service cycles.