Premium Industrial Lubricants from China

Dongying Longhai Petrochemical – Over 20 years of excellence in grease manufacturing. Advanced R&D, EU-certified products, and global distribution for automotive, industrial, and specialty applications.

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EU Certified

Products meet strict environmental and performance standards.

Advanced R&D

Collaboration with top universities and research institutes.

20+ Years Experience

Trusted by leading automotive and industrial manufacturers.

About Dongying Longhai

Shandong Dongying Longhai Grease Manufacturers have focused on the production of grease for over 20 years. With internationally advanced grease production lines and R&D centers, we are pioneers in China’s domestic grease manufacturing industry.

Located in the beautiful and resource-rich Yellow River Delta, at the heart of Shengli Oilfield in Dongying City, our company leverages world-class automated production lines and cutting-edge technology to deliver superior lubrication solutions.

Technical Advantages

Equipped with first-class laboratories and advanced lubrication test benches. Strong R&D capabilities with industry experts and technical backbone.

Brand Concept

"Adhere to environmental protection, provide the most appropriate products and services." We follow a rigorous, stable, and low-key business philosophy.

Development

Founded in the early 1990s, we've grown into a large petrochemical enterprise with nationwide dealers and global reach.

Our Product Range

High-performance lubricants engineered for durability, efficiency, and environmental compliance.

Lithium Grease

General-purpose lubricant ideal for automotive and industrial applications.

High water resistance
Excellent mechanical stability
Wide temperature range

High Temperature Grease

Designed for extreme heat environments up to 180°C.

Oxidation resistant
Long service life
Anti-wear protection

Calcium-Based Grease

Water-resistant grease for marine and humid environments.

Superior water resistance
Good pumpability
Rust and corrosion inhibition

Molybdenum Disulfide Grease

Extreme pressure (EP) grease for heavy-duty machinery.

Anti-scuffing properties
High load-carrying capacity
Shock load protection

00# Semi-Fluid Grease

Ideal for centralized lubrication systems and enclosed gears.

Excellent flow properties
Low starting torque
Anti-oxidant additives

Specialty Grease

Custom formulations for unique industrial requirements.

Food-grade options
Electrically conductive variants
Vacuum-compatible grades

Oil Sample Services

Request free samples for testing and evaluation.

Fast global shipping
Technical data sheets provided
Custom packaging available

Sequins Nail Polish

Unexpected but true – we also offer cosmetic-grade nail polish.

Shimmering sequin effect
Long-lasting formula
Available in multiple colors

Why Choose CNGrease?

High Quality

We take every customer seriously. Our reputation is built on hundreds of thousands of successful applications and long-term partnerships across industries.

High Efficiency

Direct communication with engineers and technical staff. We deliver optimal solutions within 1–2 working days—no delays, no excuses.

High Integrity

Customer trust is earned through sincerity. We listen, understand, and act with transparency in every interaction.

Latest News

Company News

New High-Temp Line Launched

We're proud to introduce our next-generation high-temperature grease series, tested up to 200°C with enhanced oxidation stability.

Industry News

Grease Market Growth Forecast

Global industrial grease demand expected to grow 4.2% annually through 2030, driven by automotive and renewable energy sectors.

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