Precision-engineered lubrication formulations supporting commercial fleets, automotive engineering, heavy industrial setups, and specialized motorcycle transmission systems.
Modern industrial operations operate under extreme environments featuring elevated temperatures, severe shock loads, and corrosive atmospheres. In response to these operational challenges, the international tribology sector is shifting rapidly from conventional mineral gear oils to highly engineered synthetic lubricants. Specifically, formulation chemistry utilizing Polyalphaolefins (PAO), Polyalkylene Glycols (PAG), and custom esters has emerged as the benchmark for operations seeking sustained uptime.
This evolution is fueled by a dual imperative: lowering overall energy loss through optimized friction coefficients and extending mechanical life cycles. Gearboxes in wind energy networks, heavy mining machinery, and deep-sea shipping operate in boundary lubrication states where typical additives fall short. Advanced heavy-duty gear oils must establish high-strength tribochemical films via reactive sulfur-phosphorus Extreme Pressure (EP) additives. These additives effectively shield contact zones from micro-pitting, adhesive wear, and localized heat build-up.
Global regulations and carbon-neutral policies are pushing manufacturing procurement teams toward biodegradable base oils and high viscosity index (VI) synthetics that reduce drag and carbon footprints.
Under heavy mechanical stress, microscopic fatigue causes micro-pitting on gear flanks. Next-generation lubricants incorporate specialized boundary-layer additives to prevent surface distress.
By employing superior anti-oxidant chemistry and thermal stability, operators are moving from standard 1,000-hour replacement cycles to over 5,000 hours, drastically lowering maintenance overhead.
Established in 2009 and headquartered in Zibo, Shandong, Shandong Longhai Lubrication Technology Development Co., Ltd. is a premier high-tech enterprise integrating R&D, production, and sales. With over 15 years of focused experience, we have engineered a highly integrated industrial chain designed to deliver world-class lubrication solutions globally.
Longhai operates its flagship brand "Century Longhai" alongside international strategic partnerships, including the British "A Ba" series. Our comprehensive product range covers heavy-duty diesel engine oil, gasoline motor oil, gear oil, hydraulic transmission fluid, anti-wear hydraulic oil, specialized engineering machinery lubricants, natural gas engine oil, full synthetic oils, industrial fluids, and automotive antifreeze. Demonstrating our commitment to safety and reliability, our brands are backed by comprehensive quality insurance from the People's Insurance Company of China (PICC).
Located in Zibo, Shandong, a major chemical manufacturing hub in China, Longhai's facility utilizes advanced automated blending and packaging infrastructure to optimize throughput. Our automated filling lines use precise volumetric and gravimetric metering systems. These systems maintain filling accuracy within an exceptional tolerance of 1‰ to 2‰. This level of precision minimizes product giveaway while boosting filling speeds by 20% to 35%, ensuring rapid delivery times even for high-volume orders.
Our commitment to R&D is substantial, with over 5% of annual revenue reinvested into laboratory facilities and joint development centers. Our precision quality labs perform real-time viscosity index tracking, elemental spectroscopy, and oxidation resistance tests. As a result, we maintain complete control over raw materials and finished products, delivering consistent performance for demanding industrial environments.
Our production facilities are designed for flexible, high-capacity output, enabling us to serve clients in 139 cities across 29 provinces in China, while exporting products globally. Our proximity to major ports like Qingdao guarantees efficient, cost-effective container shipping logistics.
By integrating Industry 4.0 automation, we can rapidly adjust production runs between industrial gear oils, marine lubricants, and automotive formulations, providing a reliable and resilient supply chain for international distributors.
We provide end-to-end customization services, tailoring base oil chemistry, additive packages, and product packaging to align with your market positioning, regional climate demands, and machine specifications.
From fully synthetic formulations to cost-efficient semi-synthetics, our tribologists develop custom lubricants that meet and exceed strict international API, ACEA, and ISO standards.
We support diverse production runs, matching small-scale localized trial markets or full-scale industrial operations. We handle engine oils, hydraulic transmission fluids, and heavy industrial gear oils.
Backed by ISO 9001:2015, ISO 14001, and ISO 18001 certifications, we provide third-party testing documentation, ensuring complete global compliance and smooth customs clearance.
Our creative team handles packaging container designs, label compliance rendering, and comprehensive technical documentation to help establish a premium brand image.
Comprehensive consultation targeting equipment specs, mechanical environments, and target market positioning.
Our chemical engineers synthesize custom base oil structures and select specialized additive chemistry.
Rigorous physical and chemical laboratory stress tests to verify performance under high load and extreme conditions.
Fully automated blending and filling processes ensure fast shipping, high efficiency, and precise quality control.
Providing ongoing dynamic batch analysis, logistics tracking, marketing support, and formula optimization services.
Longhai has implemented a rigorous management system, achieving ISO 9001:2015 Quality Management, ISO 14001 Environmental Management, and ISO 18001 Occupational Health and Safety certifications. Our automatic transmission fluid series has also earned formal Mercedes-Benz Certification, reflecting our engineering standards.
By blending imported additive packages with high-purity base oils, our products retain their structural integrity under severe heat and extreme pressure, helping clients reduce maintenance overhead and extend machine life cycles.




Lubricant performance is heavily influenced by operating environments and climates. Heavy gear oil formulations must be adapted to perform in diverse, challenging conditions worldwide:
Excavator slewing gearboxes, dump truck final drives, and grinding mills require heavy gear oil with high Timken OK load values. These formulations protect gears against heavy shocks and fine dust contamination.
Main gearboxes in wind turbines demand synthetic gear oils (primarily PAO) that can withstand wide temperature fluctuations and micro-pitting fatigue, while extending drain intervals to 7+ years.
Deck cranes, thrusters, and anchor winches operate in humid, salty environments. Marine lubricants require excellent emulsification resistance, rust inhibition, and shear stability under salt-water exposure.
Take a look inside our high-capacity Shandong plant, testing laboratories, and automated blending spaces where we guarantee absolute quality control and consistency.
Our lubricants have run millions of operational cycles across demanding industrial and transport applications, providing wear protection and thermal stability under extreme mechanical loads.
Partner with Shandong Longhai Lubrication Technology Development Co., Ltd. for reliable, high-performance lubricant solutions, customized formulations, and automated packaging options.
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