Explore our premier tier of highly-engineered turbine, gear, engine, and hydraulic fluids formulated to exceed major OEM parameters.
In today's fast-evolving industrial landscape, mechanical drive components are subjected to unprecedented levels of stress. The race towards high power-density gearboxes has drastically decreased mechanical design footprints while exponentially raising the torque profiles. Under these conditions, conventional gear lubricants quickly experience viscosity shear, thermal-oxidative degradation, and micro-pitting fatigue.
Industrial operations—spanning wind energy turbine gear assemblies, deep-sea marine thrusters, metallurgical steel mill drive systems, and high-frequency construction equipment—cannot tolerate unscheduled maintenance shutdowns. A minor failure in boundary lubrication within a primary speed reducer can cause a cascading system-wide breakdown costing tens of thousands of dollars in lost production time.
As a global Wholesale Leading Gear Treatment Oils Supplier, our formulations are custom-engineered to target these specific failure mechanisms, using high-purity synthetic chemical basestocks combined with advanced tribological surface-modification additives.
Effective gear protection operates at the nanometer scale. We engineer dynamic surface passivation barriers that protect metal contact points even during severe overload spikes.
Under peak loads, friction generates intense localized thermal zones. Our active sulfur-phosphorus additives react with metal substrates to form a high-strength ductile chemical layer, preventing gear tooth welding and micro-pitting.
Using premium synthetic basestocks (PAO & Esters) ensures a naturally high Viscosity Index (VI). Viscosity is maintained under mechanical shear, preventing fluid film rupture at elevated operating temperatures.
Water contamination destroys lubricant performance. Our advanced demulsification package quickly separates water from oil, ensuring the system can easily drain moisture and protect yellow and white metal alloys.
| Performance Standard Parameters | Conventional Gear Mineral Oils | Longhai Century Premium Series | Industrial Value Benefit |
|---|---|---|---|
| FZG Scuffing Load Stage (A/8.3/90) | Stage 11 Max | Stage 14+ Passed | Extreme pressure safety window expanded by 27% |
| Viscosity Index (VI) | 95 - 105 | 160 - 185 | Maintains protective fluid film over wider temperature ranges |
| Four-Ball Wear Scar (mm, 40kg, 1200rpm) | 0.45 - 0.55 | 0.28 - 0.32 | Reduces sliding friction energy losses by up to 35% |
| Copper Strip Corrosion (3h at 100°C) | 2a - 2c | 1a (Superior Protection) | Perfect compatibility with yellow metals in multi-metal assemblies |
Established in 2009 in Zibo, Shandong, the geographic hub of China's chemical industry, Shandong Longhai Lubrication Technology Development Co., Ltd. has grown over 15+ years into a prominent global manufacturing and OEM partner.
With a massive 131-acre manufacturing complex and an annual production capacity of 200,000 metric tons, we manage domestic and international lubrication markets with end-to-end reliability.
Our high-precision laboratory and automated blending systems ensure that every batch of gear and engine oil meets exact technical specifications. We keep raw material supply channels secure and run multiple automated filling lines to deliver on short notice, helping global distributors keep their inventories lean and responsive.
How we configure chemistry to solve specific environmental and engineering problems globally.
Environment: Extreme temperature swings and remote access challenges in Northern Europe and Western China.
Solution: Longhai Synthetic PAO-based gear oils minimize micropitting and extend service life to 5+ years, drastically lowering scheduled turbine maintenance costs.
Environment: Humid coastal environments, shock loading, and salt spray exposure.
Solution: Formulations with advanced corrosion inhibitors and high demulsibility ensure the oil separates water efficiently, protecting internal gears from rust.
Environment: Extreme heat, continuous high-load operations, and particulate dust.
Solution: Heavy-duty formulations prevent thermal cracking and carbon deposition, maintaining gear tooth safety in hot-rolling mill drives.
Quality is our commitment. Our facility is certified under recognized environmental and health management frameworks.
Longhai Technology operates under strict adherence to international standard protocols, holding ISO 9001:2015 (Quality Management), ISO 14001:2015 (Environmental Management), and ISO 45001 / OHSAS 18001 (Occupational Health & Safety). Our automatic transmission oils have achieved prestigious OEM certifications, including Mercedes-Benz.
Our raw materials are sourced from global suppliers (Chevron, BASF, Infineum) and verified through strict incoming quality control (IQC) at our in-house testing center before blending.
This reliable quality infrastructure ensures our products perform consistently in extreme industrial environments, helping our customers optimize mechanical efficiency and lower overall maintenance costs.
From viscosity profiling to tailored additive concentrations, we offer end-to-end custom packaging and formulation services.
We customize mineral, semi-synthetic, and fully synthetic lubricants to meet API, ACEA, and specific OEM requirements.
Packaging sizes range from small consumer cans to industrial bulk drums (200L) and intermediate bulk containers (IBCs).
Our design and logistics teams assist with compliance, safety data sheet (SDS) documentation, and cross-border transport.
Defining temperature, speed, load, and environment profiles.
Determining base oil ratios and additive chemistry mix.
Verifying wear scar metrics and physical-chemical properties.
Automated blending and strict batch-record filing.
Secured sea cargo shipping with complete customs files.
Detailed technical answers to common questions about industrial transmission lubrication.
Inside the Shandong Longhai production facility, we integrate precise instrumentation and controlled environments to ensure product quality.
Explore our secondary tier of synthetic diesel engine oils, worm gear oils, refrigeration system protectants, and specialist automotive formulations.
Our operational facilities and official qualifications reflect our standards of compliance and quality assurance.
Longhai
