China Leading Crude Oil Petroleums Suppliers & Exporters

15+ Years of Technological Edge in Advanced Formulations, Synthetic Lubricants, and Macro-Industrial Refined Petroleum Supply Chains

🛢 Featured Petroleum Lubrication Range (A)

Discover our highly-refined, performance-critical synthetic engine oils and customized industrial gear lubricants engineered for extreme operations.

China High-performance fully synthetic diesel engine oil

China High-performance fully synthetic diesel engine oil - born for the extreme Exporter

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China Professional-grade refrigeration oil

China Professional-grade refrigeration oil - providing excellent protection for refrigeration systems

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China Longhai Premium Hydraulic Transmission Fluid

China Longhai Premium Hydraulic Transmission Fluid – Optimized Performance for Smooth Operation

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Wholesale Professional solution for turbine oil

Wholesale Professional solution for turbine oil - efficient lubrication protection system

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Wholesale Premium SL Gasoline Engine Oils

Wholesale Premium SL Gasoline Engine Oils - Advanced Protection for Modern Engines

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Wholesale High-performance anti-wear hydraulic oil

Wholesale High-performance anti-wear hydraulic oil - excellent lubrication protection, improve equipment efficiency

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China L-CKC medium load & L-CKD Heavy Duty industrial gear oil

China L-CKC medium load & L-CKD Heavy Duty industrial gear oil Supplier, Service

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China Four-stroke motorcycle special oil

China Four-stroke motorcycle special oil - Ultimate power protection expert

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📈 Global Strategic Evolution of Petroleums & Advanced Lubricants

An authoritative analysis of refining processes, performance mandates, and transition dynamics toward next-generation synthetic lubricants.

Engine Thermal Stress Mitigation

Modern internal combustion engines and heavy-duty drivetrains operate under significantly elevated temperatures and pressures. Synthetically-derived lubricants utilizing advanced base stocks are essential to maintain viscosity index stability, prevent mechanical shearing, and inhibit oxidative breakdown under peak loads.

🌍

Global Regulatory Harmonization

Compliance framework updates including API CK-4, SP, and ACEA specifications demand lubricants with lower SAPS (Sulfated Ash, Phosphorus, and Sulfur) profiles. This transition ensures complete compatibility with exhaust aftertreatment systems, such as Diesel Particulate Filters (DPFs) and Selective Catalytic Reduction (SCR).

💧

Eco-Friendly Tribology

Developing bio-based, ultra-low viscosity (ULV) formulations is a key industry focus. These fluids reduce hydrodynamic drag within mechanical components, directly supporting corporate ESG objectives by lowering carbon footprint indexes and optimizing fuel efficiency.

"The evolution of refined petroleum products has transitioned from basic crude base-oil isolation to molecular-level tailoring. This allows engineering of specific chemical architectures that withstand hostile operations where traditional oils fail."

As standard crude oil petroleum products face challenges under modern industrial demands, Shandong Longhai Lubrication Technology Development Co., Ltd. has developed specialized processes that address these performance gaps. By utilizing high-purity API Group II and Group III base stocks, modified with advanced additives, we produce lubricants that meet the strict requirements of global distributors and industrial end-users.

15+
Years Industry Expertise
200,000T
Annual Production Capacity
139+
Global Supply Cities Network
5%+
Annual R&D Reinvestment

📖 Macro-Industry Lubrication Frameworks & Global Sourcing Intent

Deciphering procurement parameters for high-volume enterprise contracts and optimized supply chain systems.

Procurement directors globally face challenges with raw material price volatility, fluctuating performance standards, and logistics delays. To secure business continuity, purchasing agents look beyond basic cost-per-liter metrics to assess a supplier's overall capability. Key technical requirements include:

  • TBN (Total Base Number) Maintenance: Ensuring strong acid neutralization capability over extended service intervals, especially when processing diesel fuels with variable sulfur content.
  • Shear Stability Index (SSI): Guaranteeing the lubricant retains its viscosity class throughout its service life under continuous stress.
  • Hydrolytic and Demulsibility Stability: Industrial gear oils and hydraulic transmission fluids must separate rapidly from water contaminants to maintain system integrity.
  • Oxidation Resistance: Inhibiting varnish, sludge, and organic acid formation to prolong machinery service intervals and minimize downtime.

Tailored Solutions for Industrial Verticals

Steel & Metal Metallurgy

Heavy-duty gear oils like L-CKC and L-CKD provide high extreme pressure (EP) protection to prevent gear micro-pitting under high shock loads.

Precision Construction Machinery

Anti-wear hydraulic fluids formulated with premium zinc-based additives extend hydraulic pump life and improve transmission efficiency.

Wind Power & Steam Turbines

Turbine oil solutions with high demulsibility and foam suppression control system temperatures and protect critical generator bearings.

🏭 Manufacturing Excellence: Shandong Longhai Technology

Established in 2009 and headquartered in Zibo, Shandong, we operate a 131-acre smart manufacturing facility with an annual capacity of 200,000 tons.

Shandong Longhai Lubrication Technology Development Co., Ltd. is a high-tech enterprise integrating R&D, production, and sales. Deeply involved in the lubricant industry for over 15 years, the company has built a complete industrial chain system, providing high-quality lubrication solutions for the global industrial and transportation fields.

Longhai Technology owns the brand "Century Longhai" alongside the international strategic brand British "A Ba" series. Our products are insured by PICC China People's Insurance Company, offering complete quality assurance for overseas buyers.

"Products are character, quality is life, customer first, honest and pragmatic service tenet."

International Certifications & Accreditations

Longhai Technology operates under strict quality management frameworks, including ISO 9001-2015, ISO 14001 environmental management, and ISO 18001 health management standards. We have also secured key global OEM credentials, including Mercedes-Benz automatic transmission fluid approval.

💼 Professional OEM/ODM Petroleum & Lubricant Solutions

Providing customizable blending and packaging services to meet the specific requirements of worldwide markets.

01

Custom Formulations

Fully synthetic and semi-synthetic formulations tailored to specific climates and operating limits, complying with API/ACEA guidelines.

02

Flexible Operations

We handle projects from small trial batches to high-volume production, packaging engine oils, transmission fluids, and industrial lubricants.

03

Certified Quality

Operating under ISO 9001 and IATF 16949 standards, we provide complete third-party lab testing and compliance documentation.

04

Packaging & Brand Services

Custom packaging design, bottle shape selection, label printing, and technical MSDS documentation support for private label projects.

OEM ODM Blending Facility

Streamlined Joint Collaboration Process

1

Requirement Analysis

Defining application environment, viscosity demands, and certifications.

Next Step
2

Additive Development

Optimizing base stock selections and additive chemistry to match viscosity requirements.

Next Step
3

Testing & Verification

Verifying mechanical wear protection and shear stability in lab tests.

Next Step
4

Blending & Packing

Automated filling lines guarantee a 1‰-2‰ metering precision for shipping consistency.

Next Step
5

Support & Logistics

Assisting with export clearance, customs documentation, and logistics tracking.

🛠 Technical Roadmap: The Future of Tribology & Sustainable Formulations

Highlighting upcoming advancements in carbon-neutral manufacturing and high-performance synthetic chemistry.

The transition toward carbon neutrality is shifting the requirements for petroleum lubricants. The next generation of industrial and automotive fluids focuses on reducing energy loss through friction. Key projects in Longhai’s development roadmap include:

1. Low-Viscosity Synthetics

Developing ultra-thin 0W-16 and 0W-12 synthetic engine oils. These grades reduce fuel consumption in hybrid and battery-assisted drivetrains while maintaining reliable hydrodynamic lubrication films under variable loads.

2. Biodegradable Lubricants

Formulating ester-based biodegradable hydraulic and gear oils for sensitive environments, such as marine transport, agricultural operations, and deep-well exploration systems.

By utilizing advanced testing equipment and automated blending systems, Longhai Technology maintains precise control over chemical dosing. This ensures consistent product quality, helping distributors supply reliable lubricants to their industrial customers.

💬 Technical FAQ: Lubrication Engineering & Supply Chain Logistics

Providing clear, expert answers on performance parameters, raw material classifications, and global supply coordination.

1. How do synthetic engine oils differ from standard mineral-based oils?
Synthetic lubricants are formulated using Group III, IV (PAO), or Group V (Esters) base stocks, which feature uniform molecular structures. Compared to Group I and II mineral oils, synthetics provide superior shear stability, a higher viscosity index, lower volatility, and better thermal resistance. This ensures reliable performance in extreme temperature operations.
2. Why are API CK-4 and SP specifications critical for diesel and gasoline engines?
These certifications denote compliance with current wear-protection and emission standards. API CK-4 is designed for high-speed four-stroke diesel engines, offering improved protection against oil oxidation, shear-induced viscosity loss, and engine wear. API SP provides enhanced wear protection against Low-Speed Pre-Ignition (LSPI) in modern turbocharged direct-injection gasoline engines.
3. What processes are in place to guarantee filling precision?
Longhai utilizes automated metering systems on its filling lines. This technology controls fluid volume with a precision tolerance of 1‰-2‰, improving packaging speed by 20%-35% compared to mechanical filling while ensuring consistent package weight.
4. How do anti-wear additives protect hydraulic pumps and industrial gears?
Under high pressure, hydrodynamic oil films can thin. Anti-wear additives, such as zinc dialkyldithiophosphate (ZDDP), react with metal surfaces to form a protective sacrificial layer. This layer prevents direct metal-to-metal contact, reducing mechanical wear and component damage.
5. Can your factory supply custom private-label lubricants?
Yes. We provide complete OEM and ODM services. This includes custom blending to meet specific API or ACEA grades, container shape selection, package labeling, and providing MSDS documents for global export compliance.

🛢 Featured Petroleum Lubrication Range (B)

Explore our high-performance motor oils, industrial transmission fluids, and gear lubricants designed for challenging operational conditions.

China LONGHEAD SP Premium Motor Oil

China LONGHEAD SP Premium Motor Oil - The Ultimate Protection for Modern Vehicles

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Wholesale High-performance worm gear oil

Wholesale High-performance worm gear oil - professional lubrication solution

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Wholesale Longhai Premium Anti-Wear Hydraulic Oil

Wholesale Longhai Premium Anti-Wear Hydraulic Oil – Superior Protection for Industrial Applications

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China Longhai CJ-4 Synthetic Diesel Oil

China Longhai CJ-4 Synthetic Diesel Oil – Premium Protection & Performance

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Wholesale Longhai CI-4 PLUS Premium Diesel Oil

Wholesale Longhai CI-4 PLUS Premium Diesel Oil – Ultimate Engine Protection & Fuel Efficiency

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China Longhai Heavy-Duty Gear Oil

China Longhai Heavy-Duty Gear Oil – Ultimate Protection for Extreme Conditions

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Wholesale Premium SJ Grade Gasoline Engine Oil

Wholesale Premium SJ Grade Gasoline Engine Oil - Superior Protection and Performance

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China Premium SN Grade Fully Synthetic Motor Oil

China Premium SN Grade Fully Synthetic Motor Oil - The Ultimate Protection for Modern Engines

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📷 Enterprise Environment & Logistics Gallery

A visual look at our production facilities, warehouse facilities, and certified laboratories.

Production Area
Joint Innovation Labs
Storage Facilities

Raw Material Storage & Shipping Logistics

📋 Internal Engine Performance Standards & Visual Profiles

Displaying our range of engine lubricants designed to meet API gasoline and diesel performance standards.

SP Class

API SP Premium Motor Oil

Advanced formulation provides wear protection for turbocharged direct-injection gasoline engines.

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SN Class

API SN Fully Synthetic

Provides thermal stability and deposits control for modern passenger vehicle drivetrains.

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SL Class

API SL Gasoline Engine Oils

Formulated for older engine designs, protecting against cylinder wear and sludge accumulation.

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SJ Class

API SJ Gasoline Engine Oil

Provides wear control and oxidation resistance for legacy light-duty vehicle engines.

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API CK-4 Class

API CK-4 Diesel Engine Oil

Designed for high-speed heavy-duty commercial vehicles equipped with DPF systems.

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API-CJ-4 Class

API CJ-4 Diesel Oil

Engineered to protect exhaust systems in commercial vehicles operating under heavy loads.

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API CI-4 Plus Class

API CI-4 PLUS Premium

Optimizes soot dispersion and viscosity retention in high-output commercial diesel engines.

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API CH-4 Class

API CH-4 Diesel Engine Oil

Protects critical engine parts from high-temperature wear and corrosion.

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🛡 Quality Control and Compliance Assurance

How Shandong Longhai Technology ensures chemical consistency, export compliance, and technical support for international buyers.

Exporting refined petroleum products and synthetic lubricants requires strict compliance with international trade laws and regional chemicals legislation (such as REACH in the EU). Our quality management program covers every stage of the manufacturing process:

  • Incoming Raw Material Verification: Every batch of base stocks and additive packages undergoes laboratory analysis before processing to verify quality metrics.
  • Computerized Blending: Temperature and mixing parameters are monitored by digital control systems to ensure product stability and viscosity index consistency.
  • Retained Sample Protocol: A physical sample of each batch is retained for 3 years, allowing backward traceability in the event of quality queries.
  • Customs Documentation: We provide MSDS, GHS-compliant labels, and cargo certificates to facilitate customs clearance at destination ports.

By using precise raw material inputs and automated blending processes, Longhai Technology maintains quality consistency, assisting distributors in supplying reliable lubrication solutions to their customers.