Wholesale Petroleum Industry Supplier & Service

High-Performance Tribological Formulations & Global Bulk Distribution for Heavy Industrial Infrastructure

Global Macro-Industry Procurement Solutions

In the modern, highly integrated global industrial landscape, heavy machinery, power generation utilities, and transport fleets operate under unprecedented physical and economic strain. As global trade routes experience localized supply interruptions, raw materials and finished petrochemical solutions must adhere to rigorous logistical scheduling and stringent international compliance thresholds. Industrial operators can no longer view lubrication as a simple consumable; it is a critical asset directly tied to operational uptime and total cost of ownership (TCO).

Large-scale procurement entities face the continuous challenge of balancing high fluid performance against cost volatility. Demanding applications, such as heavy duty mining fleets, high-velocity gas turbines, and complex multi-stage gear systems, require formulation stability that cannot be compromised by temperature spikes or particulate contamination. Procurement departments must rely on suppliers who can guarantee structural supply chain continuity, backed by substantial blending capacities and certified technical processes.

Our Integrated Value Proposition: Minimizing unplanned machine downtime while maximizing operational efficiency through custom chemical engineering and localized logistics networks.

Macro Industrial Facility Operations - Longhai Technology

15+

Years Blending Expertise

200,000

Annual Tons Capacity

139

Cities Serviced Globally

5%+

Revenue Dedicated to R&D

Technical Tribology: Fluid Formulation Mechanics

Understanding the molecular science behind wear resistance, thermal oxidation stability, and shear performance.

Extreme Pressure (EP) Systems

Industrial gearboxes operating under L-CKD heavy-duty classifications demand extreme pressure additive packages containing sulfur-phosphorus chemistry. These compounds interact with metal surfaces under friction, forming a sacrificial boundary layer that prevents micro-welding and pitting. Our high-performance worm gear oils utilize proprietary friction modifiers to lower temperatures in steel-on-bronze slide interfaces.

Viscosity Index & Shear Stability

Multi-grade engine oils such as our API CK-4 and CJ-4 synthetic diesel formulations are engineered with highly shear-stable radial polymers. These Viscosity Index Improvers (VII) maintain operational oil film thickness at elevated operating temperatures (above 150°C in piston ring lands) without shearing down under the intense mechanical forces found in high-performance engines.

Oxidation Induction Control

Turbine fluids and air compressor oils operate in oxygen-rich, high-temperature environments prone to thermal breakdown. By utilizing highly refined Group II and Group III base stocks, alongside advanced phenolic and aminic antioxidants, our formulations provide exceptionally high oxidation resistance. This prevents the generation of organic acids, sludge, and lacquer deposits.

Automated Lubricant Blending and Quality Control Lab

About Shandong Longhai Technology

Established in 2009 with headquarters in the industrial hub of Zibo, Shandong, Shandong Longhai Lubrication Technology Development Co., Ltd. has developed over more than 15 years into a leading high-tech enterprise. Our operations integrate advanced R&D, precision blending, and global distribution. The company features a 131-acre smart production campus with an annual capacity of 200,000 tons of premium lubricants.

Our brand catalog includes our flagship brand, "Century Longhai", along with our strategic international partnership line, the British "A Ba" series. Our products are backed by product liability insurance from the People's Insurance Company of China (PICC), ensuring peace of mind for commercial and industrial operators.

Our core mission centers on technological innovation. By allocating more than 5% of annual revenue to our R&D center, we collaborate with leading universities and research institutes to continually advance lubricant capabilities.

Quality Control, Testing & Production Facilities

A visual demonstration of our modern laboratory systems, automated blending infrastructure, and environmental credentials.

Enterprise Manufacturing Environment

Advanced Blending Facility

Featuring automated, high-accuracy blending tanks to ensure chemical uniformity and consistency across product batches.

Precision Testing Lab

Joint Innovation Center

Our research facility, equipped with gas chromatography, viscometers, and spectrometers to run complex fluid analyses.

Laboratory Testing Equipment

Quality Testing Equipment

Rigorous bench testing validates compliance with ASTM, DIN, and ISO specifications before any batch is dispatched.

Logistics Warehouse

Global Logistics Center

Designed for rapid bulk freight operations, housing raw base oils, chemical additives, and packaged products.

ISO Certificates

ISO 9001 & 14001 Quality System

Our facility operates under rigorous international environmental, health, and quality management protocols.

Mercedes Benz Certification

OEM Certifications

Our heavy-duty vehicle lubricants hold official approvals from major global manufacturers, including Mercedes-Benz.

Technological Roadmap & Future Trends

How we are preparing for the next generation of industrial applications, digitalized system maintenance, and emissions standards.

Biodegradable Lubricants & Low SAPS

As environmental regulations tighten worldwide, we are expanding our R&D into bio-based, high-solubility ester fluids and low-SAPS (Sulfated Ash, Phosphorus, and Sulfur) synthetic formulations. These clean-burning lubricants protect modern exhaust aftertreatment systems, such as Diesel Particulate Filters (DPFs) and Selective Catalytic Reduction (SCR) catalysts, while reducing overall environmental impact in ecologically sensitive industrial zones.

Sensor-Based Fluid Analytics

Our future roadmap focuses on integrating lubrication monitoring with IoT hardware systems. By tracking factors like dielectric constant shift, moisture ingress, and micro-particle accumulation in real-time, our field technicians can predict maintenance intervals before components wear. This shifts operations from reactive scheduling to proactive, data-driven system management.

Precision OEM/ODM Blending & Customization

Offering bespoke formulation adjustments, packaging configurations, and laboratory validation services to global buyers.

Tailored Formulation Development

We recognize that different climates, operational stresses, and regional regulations require specialized fluid characteristics. Our OEM services allow clients to adjust viscosity profiles, pour points, and additive packages to suit their local markets.

Our high-precision packaging lines handle everything from 1-liter retail bottles to 200-liter commercial drums and bulk flexitanks. Our filling lines use precise metering systems to guarantee accuracy between 1‰ and 2‰, while running 20% to 35% faster than standard lines to speed up shipping times.

From initial laboratory testing through packaging and shipping, our processes are designed to help you build and scale your brand.

OEM ODM Filling Line Operations

Our OEM/ODM Cooperation Process

01

Application Discovery

Analyzing requirements, load parameters, temperatures, and target price points.

02

Custom Chemistry

Tailoring base stock ratios and additive packages (anti-wear, anti-foam, viscosity modifiers).

03

Lab Validation

Evaluating chemical stability, shear behavior, and wear characteristics under stress.

04

Precision Blending

Automated manufacturing with high-speed, 1‰-accuracy filling systems.

05

Logistics & Support

Ensuring compliance, supplying regulatory documents, and coordinating global shipping.

Certifications and Quality Testing Records

Global Compliance & Quality Assurance

Exporting lubricants globally requires strict adherence to international environmental laws and standards. Longhai Technology maintains ISO 9001:2015 quality system certification, ISO 14001:2015 environmental management certification, and OHSAS 18001/ISO 45001 occupational health and safety systems.

Our formulations meet or exceed performance classifications from the American Petroleum Institute (API), European Automobile Manufacturers' Association (ACEA), and standard ISO VG classifications. We provide complete technical documentation, including Material Safety Data Sheets (MSDS), Certificates of Analysis (COA), and customs paperwork to ensure smooth importing and compliance in your local market.

Frequently Asked Questions

Addressing key technical, logistical, and commercial queries from petroleum buyers and fleet managers.

What defines the shear stability of Longhai's fully synthetic diesel engine oils?
Our fully synthetic diesel oils utilize highly stable polymer additives that resist breaking down under physical stress. Viscosity loss is kept within API CK-4 limits, ensuring the fluid maintains its protective film even under heavy mechanical load.
How does Longhai ensure zero cross-contamination during bulk blending operations?
Our Zibo production plant uses dedicated lines and clean-in-place (CIP) systems for different fluid types (such as gasoline, diesel, and industrial oils). Continuous laboratory analysis confirms fluid purity before and after packaging.
What are the lead times and minimum order quantities (MOQs) for custom OEM formulations?
MOQs vary depending on the product type and packaging size. Generally, custom blending orders require a minimum of 5 to 10 metric tons. Lead times average 15 to 25 days from final formulation approval and packaging design confirmation.
Can L-CKD industrial gear oil be mixed with L-CKC fluids in an operational gearbox?
While L-CKD and L-CKC oils are often chemically compatible, mixing them can dilute the advanced anti-wear and extreme-pressure additive package of the L-CKD fluid. We recommend doing a complete system flush to maintain the performance integrity of the equipment.
Are Longhai products covered by global product liability insurance?
Yes, our entire brand line, including "Century Longhai" and the British "A Ba" series, is fully insured by the People's Insurance Company of China (PICC) to provide quality assurance and liability protection for our global partners.

Production Facility Showcase

A look inside our 131-acre manufacturing center, showcasing our warehousing, testing areas, and production lines.

Blending Infrastructure Close-up

Blending Systems

Equipped with temperature-controlled heating and variable-speed shear mixing to ensure stable additive distribution.

Bulk Tank Farm Storage

Raw Material Storage

Our raw material storage yard holds base oils from Group I to Group IV, ensuring production and shipping continuity.

Analytical Lab Services

Testing Laboratories

Each batch undergoes testing for viscosity index, flash point, pour point, water content, and foaming tendencies.

Automatic High Speed Filling Line

Automated Packaging Line

High-efficiency automated lines handle filling, capping, labeling, and carton sealing to maintain speed and consistency.

Quality Inspection Stations

Inspection Stations

Quality checks at multiple points along the packaging line ensure container seals, weight, and labeling are correct.

Distribution Fleet Loading Dock

Shipping & Logistics

Direct loading bays and partnerships with major shipping ports enable fast container delivery worldwide.

Corporate Credentials & Registrations

Approved and verified by international registries for shipping, manufacturing, and trade operations.

Corporate Business License
Taxation Registry Document
Quality Registration Certificate
Environmental Management Approval Certificate
Safety Standard Registration File
Lubricant Additives Analysis Record
ISO Certification Approval Body
SGS Inspection Report
Mercedes Benz Engine Oil Certificate