How Often Should You Change Engine Coolant?
May 5, 2026
There is no single answer to how often you should change engine coolant. Older green IAT coolants often need replacement every 2–3 years or 30,000–50,000 ...
Read More →
Coolant for Hot Climate Countries: What Distributors Should Know
May 3, 2026
High temperatures, heavy traffic, and extended idling in hot climate countries place intense demands on engine cooling systems. Quality engine coolant for hot climates raises ...
Read More →
How to Choose the Right Coolant Concentration Ratio (30%, 50%, 70%)
May 2, 2026
Coolant concentration ratio directly impacts engine protection. A 50/50 mix offers balanced freeze and boil protection for most vehicles, while 30% suits mild climates with ...
Read More →
OAT vs HOAT vs IAT Coolant: Which Type Is Right for Your Vehicle?
May 1, 2026
OAT, HOAT, and IAT coolants use different corrosion inhibitor technologies that affect service life and engine protection. This guide explains the chemistry, typical applications for ...
Read More →
What Is Engine Coolant and How Does It Work?
April 30, 2026
Engine coolant is a vital fluid that controls temperature, prevents freezing and boiling, and protects your cooling system from corrosion. This guide explains its composition, ...
Read More →
Why Distributors Choose Engine Oil Manufacturers Instead of Traders
April 29, 2026
Many engine oil distributors prefer working directly with manufacturers rather than traders. This article explains the key reasons behind that choice, including quality control, production ...
Read More →
How Private Label Engine Oil Is Made
April 27, 2026
Private label engine oil production is a structured manufacturing partnership between brand owners and qualified lubricant manufacturers. This guide explains the full process—from formulation selection ...
Read More →
OEM Automobile Engine Oil Manufacturing Explained
April 25, 2026
OEM automobile engine oil manufacturing involves more than oil blending. This article explains the complete OEM process—from formulation and raw material control to blending, filling, ...
Read More →
Can Mixing Different Engine Oils Damage Your Engine?
April 23, 2026
Mixing different engine oils is a common concern among drivers. This article explains whether oil mixing can damage engines, how viscosity and additive compatibility affect ...
Read More →
What Happens If You Use the Wrong Engine Oil?
April 21, 2026
Using the wrong engine oil can gradually affect lubrication, wear protection, and engine efficiency. This article explains what happens inside an engine when oil viscosity ...
Read More →
Common Engine Oil Mistakes That Damage Car Engines
April 19, 2026
Many car engine problems are caused by avoidable engine oil mistakes. This article explains common oil-related errors, including incorrect oil selection, poor maintenance practices, and ...
Read More →
Best Engine Oil for Stop-and-Go City Driving
April 17, 2026
Stop-and-go city driving places unique demands on engine oil due to frequent idling, short trips, and temperature fluctuations. This article explains how urban driving affects ...
Read More →
About Us
YEFE is a professional lubricant manufacturer with advanced R&D, automated production, and strict quality control. We provide reliable automotive and industrial lubrication solutions, along with OEM and private label services for global partners.