China Best Car Petrol Engine Oil Supplier & Exporter

Global Industrial OEM/ODM Formulation, Advanced Synthetic Lubrication Solutions & High-capacity Supply Chain

About Shandong Longhai

Established in 2009 and headquartered in Zibo, Shandong, Shandong Longhai Lubrication Technology Development Co., Ltd. is a recognized high-tech enterprise integrating R&D, production, and worldwide sales. Over the course of 15+ years, we have built a fully integrated lubrication manufacturing framework, servicing key B2B accounts across industrial operations and automotive transport fields globally.

Our domestic portfolio features our proprietary brand, "Century Longhai", along with our strategic international cooperation brand, the British "A Ba" series. Our products are insured by PICC (People's Insurance Company of China) as part of our total commitment to absolute quality guarantee. Our operations span an array of products: gasoline engine oil (API SP, SN, SL, SJ), diesel engine oil, transmission fluids, motorcycle lubricants, automatic transmission oils, antifreeze, and industrial lubricants.

Shandong Longhai Production Facility

B2B Technical Roadmap: Future-Proof Passenger Car Motor Oils

Analyzing industry shifts towards modern API specifications, Low-Speed Pre-Ignition (LSPI) protection, and sustainable formulation technologies.

The modern automotive industry demands lubricants that can withstand the internal stresses of downsized, turbocharged gasoline direct injection (TGDI) engines. As a premier automotive engine oil supplier, Longhai Technology maintains a strict formulation roadmap focused on mitigating modern engine issues like Low-Speed Pre-Ignition (LSPI) and timing chain wear.

Mitigating LSPI

Our API SP and SN Plus formulations utilize optimized calcium-magnesium detergent systems, drastically reducing destructive pre-ignition events in TGDI cylinders.

Low Viscosity Trend

R&D pathways are actively transitioning towards SAE 0W-16 and 0W-12 ultra-low viscosity grades to support high-efficiency hybrids and decrease global fuel consumption indicators.

Wear Protection

Advanced shear-stable polymer viscosity index improvers combined with premium Group III hydrocracked base oils ensure optimal fluid film thickness even at 150°C HTHS testing.

Next-Generation Green Formulation Focus

Longhai is aligning its technological pipeline with the reduction of phosphorus and sulfated ash (Mid-SAPS/Low-SAPS technology). This guarantees compatibility with modern emissions aftertreatment devices like Gasoline Particulate Filters (GPF) and Selective Catalytic Reduction (SCR) systems, which are increasingly standardized under Euro VI and China VI vehicle regulations.

Longhai Fully Automated Blending & Filling Plant
R&D Lab Testing Packaging Facility

China Industry 4.0: Supply Chain Resilience

Operating a massive 131-acre production base, Longhai Technology maintains an annual manufacturing threshold of 200,000 metric tons of lubricants. Our infrastructure leverages cutting-edge automated batch blending units (ABB) and computerized metering filling equipment to maintain tight tolerances and ensure product consistency.

Our smart filling lines operate utilizing high-precision volumetric metering principles, guaranteeing filling accuracy metrics to within 1‰ to 2‰. This system has elevated processing speeds by 20% to 35%, ensuring that large-scale B2B orders are blended, filled, and staged for port transportation ahead of scheduled timelines.

Through close partnerships with base oil terminals and global additive leaders (such as Lubrizol, Infineum, Afton, and Chevron Oronite), we safeguard our raw material pipeline from market volatility. This allows us to offer competitive pricing options without compromising product quality.

Addressing Global B2B Procurement Intentions

Why procurement directors, industrial distributors, and private label importers choose Shandong Longhai as their strategic manufacturing partner.

Detailed Tech Specifications

We provide complete technical data sheets (TDS) and safety data sheets (SDS) conforming to GHS standards, facilitating smooth customs clearance and regulatory registration.

Flexible Logistical Formats

We accommodate bulk delivery options, including Flexitanks, IBC totes, 200L steel drums, and retail packaging sizes (1L, 4L, 5L) optimized for container loading efficiency.

Private Label Customization

Our OEM/ODM services cover everything from viscosity adjustments and customized additive configurations to packaging design, helping you build a premium brand image.

15+
Years Industry Expertise
200K
Tons Annual Capacity
139
Cities Worldwide Covered
5%
Annual R&D Reinvestment

Streamlined OEM/ODM Collaboration Flow

From initial concept analysis to global logistics and distribution, we ensure a seamless path to market.

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Demand Analysis

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Formula Development

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03

Sample Testing

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Production Delivery

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After-Sales Support

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Comprehensive Lubrication Solutions Across Industries

Deploying specialized lubrication products engineered to lower total cost of ownership (TCO) and extend equipment service life.

Automotive Passenger Fleets

Maximizing engine life and fuel efficiency with fully synthetic API SP gasoline oils, featuring high thermal-oxidative stability and reduced oil consumption.

Heavy-Duty Logistics

Extending drain intervals and protecting engine components with high-performance CK-4 and CJ-4 synthetic diesel oils, built to handle heavy soot loading.

Industrial Operations

Optimizing equipment run-time with high-performance hydraulic fluid, turbine oil, compressor lubricants, and L-CKD heavy-duty gear oils.

Quality Certification & Compliance

To operate reliably in international markets, our production facilities and testing protocols maintain top-tier credentials, including ISO 9001:2015 (Quality Management), ISO 14001:2015 (Environmental Management), and ISO 45001:2018 (Occupational Health & Safety Management systems).

Our automatic transmission fluids carry official Mercedes-Benz approvals, demonstrating that our formulas perform reliably under demanding operating conditions. Furthermore, our raw materials and finished oils undergo strict batch analysis in our state-of-the-art laboratory, ensuring compliance with international standard-setting bodies like API, ACEA, and JASO.

ISO Certification 9001 ISO Certification 14001

Expert FAQ: B2B Procurement & Formulation Insights

Get answers to common technical, logistics, and quality assurance questions from our engineering department.

What are the primary differences between API SP and API SN engine oils, and how does Longhai address them?
API SP was introduced to address the challenges of modern TGDI (Turbocharged Gasoline Direct Injection) engines. It provides enhanced protection against Low-Speed Pre-Ignition (LSPI) and timing chain wear compared to API SN. Longhai's SP formulations utilize balanced calcium-magnesium detergent chemistry to minimize LSPI risks while maintaining high engine cleanliness.
Can you customize engine oil formulations for specific regions and climatic conditions?
Yes. Our R&D department can customize formulations to match specific market environments. For instance, for colder regions, we optimize the Cold Cranking Simulator (CCS) viscosity performance. For high-temperature tropical areas, we focus on shear stability and high-temperature high-shear (HTHS) viscosity parameters to maintain optimal oil film strength.
What quality control protocols are in place to ensure batch-to-batch consistency?
We follow strict testing protocols under our ISO 9001 framework. Each production run undergoes laboratory testing using ASTM standard methods to verify Kinematic Viscosity (at 40°C and 100°C), Viscosity Index, Flash Point, Pour Point, Total Base Number (TBN), and elemental additive composition before packaging and dispatch.
What packaging options do you offer for bulk export of lubricants?
We support various shipping formats: 1L, 4L, and 5L retail bottles; 20L pails for light commercial use; 200L steel/plastic drums for heavy-duty and industrial fleets; and Flexitanks (up to 24,000 liters) for bulk repackaging plants.
What is the standard lead time for customized OEM/ODM lubricant orders?
For standard formulations with existing packaging, lead time is 15-20 days. For custom OEM/ODM formulas requiring new bottle designs, labeling approvals, or specialized additive approvals, lead times generally range between 30 and 45 days, depending on regulatory and customs requirements.