Explore our industrial-grade synthetic lubricants, engineered to withstand extreme pressures and maintain viscosity in demanding mechanical systems.
Headquartered in the industrial hub of Zibo, Shandong, Shandong Longhai Lubrication Technology Development Co., Ltd. is a premier, high-tech enterprise dedicated to the R&D, manufacturing, and distribution of mid-to-high-end lubrication systems. Over the course of 15 years, we have built a fully integrated supply chain designed to address the challenges of industrial wear and environmental demands globally.
Under our flagship brand "Century Longhai" and strategic cooperation brand British "A Ba", our product range covers automotive, heavy duty diesel, marine, and industrial applications. Our complete quality guarantee is fully backed by the People's Insurance Company of China (PICC), reflecting our unwavering commitment to quality and operational safety.
A comprehensive examination of how advanced formulation technology, manufacturing scale, and rigorous testing methodologies drive efficiency, safety, and longevity in industrial compressed air operations.
In modern industrial manufacturing—ranging from pharmaceuticals to precision semiconductor manufacturing—the purity of compressed air is critical. Compressed air systems are broadly categorized into oil-flooded and oil-free systems. For critical applications, operators rely on "Oil-Free" air compressors (conforming to ISO 8573-1 Class 0 standards) to ensure zero oil carryover into the compressed air line. However, the mechanical running gear (gears, bearings, screws) of these units still requires specialized lubrication to survive the severe thermal and mechanical stresses inside the compressor core.
Standard mineral oils quickly oxidize under the high operational temperatures of rotary screw and centrifugal compressors, leading to varnish buildup, system drag, and catastrophic equipment failures. High-efficiency synthetic air compressor oil provides the solution. Formulated with polyalphaolefins (PAO), esters, or advanced synthetic basestocks, these lubricants maintain a robust fluid film even when operating continuously under elevated pressures and temperatures. Longhai's specialized air compressor oil exhibits exceptional thermal-oxidative stability, keeping compressors running clean and saving thousands in maintenance costs.
Why do global enterprises increasingly partner with specialized Chinese lubricant exporters like Shandong Longhai? The answer lies in the combination of raw material security, highly automated manufacturing infrastructures, and deep integration of supply chains.
At our 131-acre production facility in Zibo, we operate intelligent, fully enclosed blending units alongside high-precision automatic filling lines. The filling lines utilize metric dosing principles, ensuring an exceptional filling accuracy of 1‰ to 2‰. By upgrading to these automated systems, our filling speed has increased by 20% to 35% compared to conventional operations. This level of process control not only guarantees structural consistency across batches but also translates to rapid lead times for international orders. With an annual production capacity of 200,000 tons, Longhai provides reliable scalability for large-scale global distributors and OEMs.
Operating on a global scale requires strict compliance with international industrial standards. Shandong Longhai has established a multi-tiered quality management system certified under **ISO 9001:2015** (Quality Management), **ISO 14001:2015** (Environmental Management), and **ISO 45001:2018** (Occupational Health & Safety). Our automatic transmission lubricants carry prestigious **Mercedes-Benz approvals**, demonstrating our ability to meet the stringent standards of the world’s most demanding automotive OEMs.
To support global partners, we provide localized regulatory documentation including GHS-compliant Material Safety Data Sheets (MSDS), Technical Data Sheets (TDS), and export customs clearance documentation. By partnering with leading global testing bodies, we ensure our formulations comply with European REACH, RoHS, and national chemical inventories in key destination countries. This compliance guarantees that our products pass smoothly through customs and are ready for immediate deployment in industrial systems.
Maintains molecular integrity under continuous thermal stress up to 220°C, preventing oil thickening and carbon build-up.
Advanced zinc-free chemistry forms a micro-protective barrier on bearing and rotor surfaces to eliminate micro-pitting.
Ensures rapid separation from water condensate, preventing moisture-induced corrosion in damp operating environments.
From custom viscometrics to unique packaging sizes, we support our clients with structured production runs and robust laboratory testing.
Fully synthetic and semi-synthetic lubricant formulations tailored to vehicle/equipment requirements, climatic conditions or market positioning.
Supports small-scale trial production to large-scale production, covering engine oil, transmission oil, and industrial lubricants.
Certified by ISO 9001, IATF 16949, etc., providing authoritative third-party test reports to ensure product performance and compliance.
We offer packaging design, label printing, and technical documentation support to help you build a premium brand image.
Demand Analysis
Formula Development
Sample Testing
Production Delivery
After-Sales Support
Our quality verification system operates on multiple levels. From incoming raw materials to final packaged units, every batch undergoes a detailed chemical fingerprinting process. Our precision laboratories are equipped with atomic emission spectroscopy (AES), gas chromatography (GC), and high-shear viscometers. This allows us to guarantee that our lubricants meet the precise viscosity indexes (VI) and wear limits required under the harshest working conditions.
Through close strategic cooperation with national academic institutions, we invest over 5% of our annual revenue directly back into R&D. This continuous reinvestment fuels the development of our next-generation synthetic lubricants, helping clients improve equipment efficiency and reduce long-term maintenance costs.
Providing clear, technical answers to common questions about lubricant life, synthetic formulations, and manufacturing procedures.
While the air compression chamber in an oil-free compressor contains no oil, the surrounding gearboxes, timing gears, and drive bearings require high-end lubricants to prevent friction and wear. Specialized synthetic lubricants provide excellent heat transfer properties, helping control internal chamber temperatures while preventing mechanical wear in the drive components.
Polyalphaolefins (PAO) feature a uniform, synthetic molecular structure. This structure offers a significantly higher viscosity index (VI), superior thermal stability, and low volatility compared to mineral oils. PAO-based lubricants resist oxidation and breakdown under high operating temperatures, extending drain intervals from 2,000 hours to over 8,000 hours.
We maintain quality through automated processing. Our state-of-the-art blending systems are linked directly to high-precision laboratories. By using automated dosing units, we control filling tolerances to within 1‰ to 2‰, ensuring that every batch meets the exact specifications set by international standards.
Yes, Shandong Longhai is fully certified under ISO 9001:2015 for quality, ISO 14001:2015 for environmental management, and ISO 45001:2018 for safety. Our products are backed by PICC insurance, and our automotive formulations carry official OEM approvals, including Mercedes-Benz certifications.
By using automated high-speed filling lines, we have improved our packaging speeds by 20% to 35%. This high capacity allows us to fulfill custom bulk blends, private label packaging, and international shipping orders within 15 to 25 days following formulation approval.
Our premium anti-wear hydraulic oils are formulated with shear-stable viscosity index modifiers and advanced anti-foam additives. This formulation prevents air entrainment and maintains fluid density under high pressures, ensuring quick response times and smooth transmission of hydraulic power.
Our refrigeration oils are designed with low pour points and excellent miscibility with modern refrigerants. This ensures that the lubricant remains fluid and flows back to the compressor even at low evaporator temperatures, avoiding wax deposits that can block expansion valves.
Yes, our R&D laboratory specializes in custom formulation development. By modifying base stocks and additive packages, we can design lubricants targeted to perform in extreme operations, such as high-temperature mining machinery or deep-freeze cold storage facilities.
Explore our range of heavy-duty gear oils, diesel engine lubricants, and refrigeration oils engineered for reliable protection and efficiency.
A closer look inside Shandong Longhai's 131-acre manufacturing center, showing our automated filling lines and advanced blending setups.
Shandong Longhai maintains strict adherence to quality and environmental standards, certified by leading international bodies.
Longhai