Engineered for extreme pressure, thermal stability, and maximum equipment efficiency
In modern industrial manufacturing, the gearbox functions as the core torque-transmission system. As global heavy industries transition toward high-load capacity, energy efficiency, and extreme operating parameters, gearbox lubrication demands have evolved. Traditional mineral-based lubricants are rapidly being replaced by high-performance synthetic fluids designed to withstand immense shear, high temperatures, and oxidative degradation.
In regions such as Western Europe, North America, and East Asia, the focus is squarely on reducing micro-pitting (gray staining), extending oil drain intervals, and minimizing overall energy consumption. Micro-pitting is a surface fatigue phenomenon that threatens wind turbine gearboxes, mining mills, and heavy metallurgical drives. To prevent gear failure, specialized lubricants like L-CKD heavy-duty gear oils with advanced sulfur-phosphorus chemistry are required to build a resilient boundary film at tribological interfaces.
“Optimizing tribological performance in planetary gear systems is not just about choosing the right viscosity. It requires an advanced additive package that offers micro-pitting resistance, robust anti-foaming behavior, and seamless seal compatibility.”
The global lubrication landscape is navigating through major technological shifts. Key developmental paradigms include:
Polyalphaolefin (PAO) and Polyalkylene Glycol (PAG) technologies offer exceptional viscosity indexes, superior low-temperature fluidity, and high thermal stability compared to API Group I & II mineral oils.
Modern EP additives must be carefully balanced to prevent chemical wear at elevated temperatures while offering robust protection under high-shock load conditions (FZG Stage 12+ protection).
Equipped with smart manufacturing lines, high-precision blending vessels, and advanced testing laboratories
Established in 2009, Shandong Longhai Lubrication Technology Development Co., Ltd. is a state-level high-tech enterprise integrating R&D, production, and sales. With over 15 years of focused development in the lubricants sector, we have built a complete industrial chain system. Our brand portfolio includes our flagship domestic brand "Century Longhai" alongside our international strategic cooperation brand, the British "A Ba" series.
Witness the advanced infrastructure supporting our precision-engineered lubricants
Our lubrication technologies cover a vast spectrum of industrial and automotive configurations. To maximize operating life and reliability, we provide targeted solutions:
We tailor our lubricant chemistries to regional climates and operational challenges:
Longhai has passed ISO-9001-2015 quality system certification, 14001 environmental management system certification, and 18001 health management system certification. Our automatic transmission fluid is certified by Mercedes-Benz, testifying to the quality and consistency of our manufacturing processes.
How we design, test, and deliver tailored lubricant formulas for global clients
Evaluation of vehicle/equipment specifications, climate, and targets.
Blending base oils and specialized additive packages to meet API/ACEA norms.
Rigorous simulation under simulated stress in our precision laboratories.
Automated high-speed blending and metering-accurate filling (1‰-2‰ error).
Oil analysis program, viscosity tracking, and ongoing compound optimization.
Where innovation meets stringent quality control to exceed international standards
At Shandong Longhai Technology, innovation is key to our performance. Our annual R&D investment consistently accounts for over 5% of our annual revenue. We maintain long-term strategic cooperation with major domestic universities and research institutions to continuously optimize lubricant properties, staying ahead of evolving API, ACEA, and OEM specifications.
Our production base spans 131 acres, with an annual capacity of 200,000 tons. Equipped with fully automated blending systems and metering-accurate filling lines, we guarantee a volumetric precision within 1‰ to 2‰. By upgrading to high-speed automated systems, our filling efficiency has increased by 20% to 35%, ensuring short lead times for major global export orders.
“Dare to explore, innovate continuously, survive by quality, and promote development by efficiency.”
At Shandong Longhai Technology, we firmly believe that product quality is a direct reflection of character. We are committed to a customer-first, honest, and pragmatic service model. In an increasingly competitive global market, we continue to capture market share by offering performance-driven lubricants at optimized price points. We leverage state-of-the-art chemical formulations, premium base stocks, and strategic brand positioning underwritten by the PICC China People's Insurance Company.
All main products are insured by PICC, offering maximum risk mitigation for industrial operators.
Certified by Mercedes-Benz for automatic transmission fluids, meeting strict European standards.
Supplying 139 cities across 29 provinces, autonomous regions, and municipalities in China.
Exporting robust lubrication solutions to heavy industries and marine clients globally.
Essential guidance on selecting, monitoring, and maintaining industrial gear lubricants
Providing specialized solutions from automotive engine oils to high-performance industrial lubricants
Longhai
