High-performance industrial and automotive oils manufactured under international quality standards
In modern maritime operations, propulsion system reliability is directly tied to the efficiency of its lubricants. Heavy-duty marine gearboxes run under severe conditions, including continuous shock loads, high temperatures, and constant exposure to water contamination. As a leading marine gear lube manufacturer and exporter, we design formulas that protect vital parts from micropitting, corrosion, and thermal breakdowns.
Technical Insight: Marine gear systems require extreme pressure (EP) additives that can create a durable chemical barrier on gear teeth surfaces under boundary lubrication conditions. This barrier prevents metal-on-metal contact, lowering friction and avoiding catastrophic component failures during high-torque operations.
Marine thrusters, reduction gears, and controllable pitch propeller systems need lubricants that maintain viscosity under high shear stress. Standard lubricants often break down under continuous mechanical action, leading to thinner oil films and premature wear. Our formulations use high-viscosity index (VI) base oils combined with shear-stable polymers, ensuring reliable lubrication at both cold start-ups and high running temperatures.
Over 15 Years of Industrial Excellence and High-Capacity Production
Shandong Longhai Lubrication Technology Development Co., Ltd. was established in 2009 and is headquartered in Zibo, Shandong. As a high-tech enterprise integrating R&D, production, and sales, the company has built a complete industrial chain system dedicated to providing high-quality lubrication solutions for global industrial and transportation fields. Our own brand, "Century Longhai", along with our international strategic cooperation brand, the British "A Ba" series, represent reliable performance. Every product batch is insured by PICC China People's Insurance Company to guarantee quality and reliability.
Our manufacturing facility has advanced blending and fully automatic production and filling equipment. The filling line uses precision metering technology, suitable for filling various lubricating oils while ensuring a filling accuracy of 1‰-2‰. This technology increases filling speed by 20% to 35%, helping us meet delivery schedules and maintain strict quality standards.
The global shipping industry is undergoing changes driven by environmental regulations and efforts to improve operational efficiency. The International Maritime Organization (IMO) carbon reduction targets and the US EPA’s Vessel General Permit (VGP) regulations have shifted demand toward modern lubricants. Understanding these developments helps ship owners optimize their operations.
Biodegradable, low-toxicity, and non-bioaccumulative gear lubricants are essential for oil-to-sea interfaces like stern tubes and thrusters to meet global regulatory requirements.
Modern gearboxes are designed to be more compact while carrying higher loads. This increases surface stress, making high-performance gear oils crucial for preventing surface micropitting.
Fleet operators prioritize reducing maintenance downtime. Formulating gear oils with high thermal-oxidation stability helps extend fluid life and minimize waste.
Custom Blending and Tailored Formulations for Global Operations
Fully synthetic and semi-synthetic lubricant formulations tailored to equipment design, climate conditions, and international standards such as API/ACEA.
We support various batch sizes, from small trial runs to large-scale production, covering engine oils, gear oils, and specialized industrial fluids.
Our ISO 9001 and Mercedes-Benz approved facilities provide authoritative test reports to confirm product performance and compliance.
We provide full support, including customized packaging design, label printing, and technical documentation to assist your brand positioning.
We work closely with ship operators, marine equipment manufacturers, and global distributors. Whether you need custom viscosity grades for cold-weather ports or specialized additives for offshore support vessels, our technical team is ready to design a solution that fits your requirements.
Contact Our SpecialistsOur streamlined process ensures efficient service, from initial technical inquiry to final product delivery:
1. Demand Analysis
2. Formulation R&D
3. Lab Sample Test
4. Mass Production
5. After-Sales Logistics
Quality and stability are key priorities at our company. Longhai has implemented a comprehensive quality management system certified under ISO 9001-2015, ISO 14001 (Environmental Management), and ISO 18001 (Occupational Health and Safety). Our automatic transmission lubricants have also received formal Mercedes-Benz approvals, demonstrating our commitment to international specifications.
By using premium base oils and additives, our products perform reliably under extreme marine and industrial operating conditions, helping operators reduce equipment wear and maintenance costs.
Highly stable formulas designed for compressors, turbines, and demanding hydraulic machinery
State-of-the-art facilities ensuring standardized quality control and advanced formula development
Technical Insights into Marine Gear Oils and Industrial Lubrication
Longhai
