Advanced
Engine & Hydraulic
Oils
Longhai provides top-tier Gasoline Engine Oil, Diesel Engine Oil, Anti-wear Hydraulic Oil, and Motorcycle Oil. Engineered for ultimate protection and peak performance under extreme conditions.
Advanced Formula
Synthetic & premium base oils
Ultimate Protection
Anti-wear & anti-corrosion
Peak Performance
Maximizes engine efficiency
Global Standards
Meets API & ACEA specifications
Our Core Products
LONGHEAD SP Premium Motor Oil - The Ultimate Protection for Modern Vehicles
Breakthrough Performance Features
- LSPI protection: Prevents low-speed pre-ignition in turbocharged engines; anti-wear additives reduce friction by up to 40% vs SN oils.
- Engine cleanliness: Removes existing deposits and prevents new sludge; excellent oxidation resistance maintains viscosity stability.
- Fuel economy: Reduces internal friction, improving fuel consumption by 2-3%; ILSAC GF-6A compliant for maximum efficiency.
High-performance fully synthetic diesel engine oil - born for the extreme
Core advantages
- Viscosity stability: High VI synthetic base oil maintains stable oil film under extreme heat and pressure, extending oil change intervals.
- Cleaning & antioxidant: Advanced cleaning technology inhibits sludge; long-lasting antioxidant prevents high-temperature deterioration.
- Anti-wear protection: Nano-level additives form a protective film on cylinder liners and bearings, reducing metal friction.
- Fuel economy: Low-friction formula improves combustion efficiency, saving 3%-5% fuel for heavy-duty trucks and machinery.
- Cold start & compatibility: Excellent fluidity at -30°C ensures fast pumping; optimized seal compatibility extends rubber part life.
Longhai Premium Anti-Wear Hydraulic Oil – Superior Protection for Industrial Applications
Key Features & Benefits
- Anti-wear performance: Advanced additives form a protective film on metal surfaces, minimizing wear in pumps, valves, and cylinders under high pressure.
- Thermal & oxidative stability: Resists breakdown at high temperatures, preventing sludge and varnish; maintains stable viscosity for prolonged oil life.
- Rust & corrosion protection: Enhanced inhibitors protect against moisture and acidic contaminants, ensuring smooth operation in harsh environments.
- Hydrolytic stability: Resists water contamination and promotes rapid water separation, preserving lubrication efficiency in wet conditions.
Four-stroke motorcycle special oil - Ultimate power protection expert
Key Features & Benefits
- Friction control: Optimized formula ensures smooth clutch engagement and seamless gear shifting for high-revving 4-stroke engines.
- Gear protection: Superior anti-wear additives deliver robust protection for transmission gears under extreme riding conditions.
- Thermal stability: Resists high-temperature breakdown, maintaining consistent viscosity and preventing oil thinning during intense rides.
- Engine cleanliness: Advanced detergent chemistry prevents sludge and deposit buildup, keeping the engine clean and performing at its peak.
Industries We Serve
Our highly reliable lubrication products provide essential performance support for various vehicles and machinery worldwide.
Automotive
Premium engine oils ensuring smooth daily drives, fuel economy, and engine longevity for passenger cars and light vehicles.
Commercial
Heavy-duty diesel lubricants designed to withstand extreme pressure for commercial trucks and large fleet operations.
Industrial
High-grade hydraulic oils and industrial lubricants keeping heavy equipment and factory machinery running efficiently.