Reliable lubrication solutions designed to protect machinery, optimize thermal transfer, and minimize operational downtime.
Bridging the Gap Between Operational Demands and Premium Base Oil Chemistries
In modern industrial manufacturing, the air compressor is frequently referred to as the "heart" of the factory. Generating consistent pneumatic power is critical to assembly lines, petrochemical processing, metallurgy, and construction. Consequently, selecting the appropriate lubrication medium is not simply a matter of routine maintenance—it is a critical economic decision. Among the options available globally, compressor mineral oils remain the foundational backbone of industrial compression systems, representing over 70% of the worldwide market volume.
This sustained dominance is due to their inherent molecular stability, excellent seal compatibility, and outstanding cost-efficiency compared to synthetic alternatives. In standard industrial temperature ranges (up to 100°C), premium-grade, highly refined mineral oils offer adequate thermal barriers, low volatility, and excellent water separation (demulsibility) characteristics. For industries running continuous shifts, mineral-based formulations provide predictable, reliable lifecycle maintenance intervals that align perfectly with scheduled plant servicing.
However, the global market is demanding higher purity. The transition from API Group I to API Group II and Group III base stocks has allowed Chinese manufacturers to formulate compressor mineral oils that compete directly with synthetic fluids in terms of service life and coking resistance. By utilizing advanced hydrotreating processes, modern mineral compressor lubricants minimize the formation of varnishes and carbon deposits, which are the main causes of rotary screw compressor failures.
Formulated from highly refined hydrocracked base oils, ensuring zero carbon deposit build-up on the discharge valves and screw rotors under continuous high temperature.
Rapidly separates condensate water from the oil mixture, protecting internals against corrosion and rust, especially in humid or variable climate environments.
Maintains consistent lubricating film thickness across cold start-ups and peak operational run states, ensuring zero metal-on-metal wear.
Adapting Premium Compressor Mineral Oils to Diverse Harsh Work Environments
Industrial machinery does not operate in a clean, temperature-controlled laboratory. In the field, compressors encounter variable humidity, airborne particulates, corrosive gasses, and fluctuating pressures. Our compressor mineral oils are engineered to adapt to these specific operating conditions:
Deep mining ventilation and pneumatic drilling require high-pressure air delivery in highly dusty environments. Standard lubricants breakdown when mixed with stone dust, leading to rotor wear. Our formulation keeps dust particles in suspension, allowing the filters to trap them effectively, while maintaining a strong lubricating film.
Operating compressors on offshore platforms, maritime shipping vessels, and coastal factories exposes components to saline air. Standard mineral oils can emulsify with salt water, leading to rust. Century Longhai's mineral compressor oil features highly specialized rust inhibitors that block salt spray water droplets from bonding with ferrous surfaces.
Compressing natural gas or processing acidic vapors requires a lubricant that resists gas dissolution and dilution. Our optimized molecular weight distribution ensures that compressed hydrocarbons do not easily dissolve into the lubricating oil, protecting against viscosity loss and maintaining structural film strength.
15+ Years of Proven Expertise in Advanced Lubrication Science and B2B Manufacturing
Established in 2009 and headquartered in Zibo, Shandong, Shandong Longhai Lubrication Technology Development Co., Ltd. is a recognized high-tech enterprise integrating premium research and development, large-scale production, and global export distribution. For over 15 years, we have built a complete, vertically integrated industrial lubricant value chain, serving thousands of global partners in heavy manufacturing, mining, logistics, and transportation.
Our brand portfolio includes the nationally respected "Century Longhai" and the international strategic collaboration brand British "A Ba" series. Our diverse range of formulations covers diesel engine oils, gasoline motor oils, industrial gear oils, premium hydraulic fluids, anti-wear turbine lubricants, and special marine application fluids. To guarantee reliability for our global distributors and corporate buyers, our products are quality-insured by the People's Insurance Company of China (PICC).
Annual Production Capacity
State-Of-The-Art Blending Base
Annual R&D Revenue Investment
Global Cities Served Successfully
Scale, Automation, and Logistics Integrated to Deliver Superior Value to Global Markets
Shandong Longhai's 131-acre high-tech manufacturing plant is designed to handle demanding industrial schedules. Equipped with fully automated, computer-controlled blending blocks and high-speed packaging equipment, our production processes minimize batch variance. Our automated filling lines use modern mass-flow metering systems to ensure accuracy tolerances of 1‰ to 2‰.
By streamlining our raw material intake and intermediate logistics, we have increased our overall production and container loading speeds by 20% to 35%. This efficiency allows us to fulfill large-scale orders from international buyers with shorter lead times than competitors.
Located in Zibo, Shandong, the heartland of China's chemical and petroleum refining industry, we have direct access to high-quality Group II and Group III base oils. This proximity secures our raw material supply chain and reduces transport costs. Combined with direct access to major ports like Qingdao, we offer secure, cost-effective global shipping.
Innovation-Driven Chemistry Tailored to Next-Generation Energy-Efficient Compressors
As industries work to reduce their carbon footprint, compressor manufacturers are designing smaller, faster, and more efficient units. These modern designs result in higher operating temperatures and tighter tolerances within the compressor screws, putting extra stress on the lubricating oil.
Shandong Longhai's technical roadmap addresses these trends by focusing on base oil purity and eco-friendly additive packages. We are transitioning our compressor mineral oil range toward high-purity hydrotreated Group II+ and Group III base stocks, which approach the performance of polyalphaolefins (PAO) at a lower cost.
Additionally, our research focuses on low-ash, zinc-free additives. Traditional anti-wear formulations containing heavy metals can form ash deposits on valve plates under extreme conditions. Our new ashless chemistry ensures clean performance, reducing maintenance needs for our global partners.
Eliminating nitrogen and sulfur compounds from base stocks to prevent fluid oxidation and extend oil life.
Utilizing organic wear inhibitors to prevent build-up on hot valve plates.
Introducing dispersants that prevent oxidation by-products from settling as varnish on rotors.
Developing bio-based mineral hybrids to support our clients' sustainability goals.
Rigorous Testing Protocols to Meet ISO, Mercedes-Benz, and PICC Standards
Longhai Technology is committed to quality consistency. We have passed and strictly adhere to ISO 9001:2015 Quality Management Systems, ISO 14001:2015 Environmental Management Systems, and ISO 45001:2018 Occupational Health and Safety Management Systems. We have also earned automatic transmission approvals from Mercedes-Benz, demonstrating our ability to meet stringent OEM standards.
Every production run undergoes strict testing in our modern analytical laboratory. We monitor key parameters—including kinematic viscosity, flash point, pour point, water content, and copper corrosion performance—to ensure consistency. A representative sample of every shipped container is stored for quality tracing, providing our clients with reliable, predictable performance.
Custom Formulations and Packaging Solutions Tailored to Your Brand
We supply compressor mineral oils in multiple viscosity grades, including ISO VG 32, VG 46, VG 68, and VG 100, matching a wide range of industrial equipment. Through our B2B OEM services, we offer customized formulation development to meet specific operating conditions, private label design, and flexible packaging options from 4L canisters to 200L steel drums and large IBC totes.
Evaluating temperature, pressure, and operational requirements.
Formulating customized base oils and additive packages.
Lab verification of anti-wear, oxidation, and water-separation traits.
Automated filling, custom labeling, and global logistics support.
Technical and Commercial Answers for Industrial Buyers and Distributors
A Visual Tour of Our Advanced Manufacturing Center in Zibo, Shandong
Explore our wide range of high-efficiency formulations designed for diverse machinery requirements.
Partner with Shandong Longhai for reliable, high-quality compressor mineral oils and comprehensive OEM/ODM support. Contact our engineering team today to discuss custom viscosity profiles, request product samples, or schedule a facility audit.
Get tailored additives and base oils engineered for your specific environment and equipment requirements.
Our products carry ISO 9001, 14001, and 45001 certifications, supported by PICC liability insurance.
With an annual production capacity of 200,000 tons, we ensure stable pricing and dependable delivery timelines.
Longhai
