Wholesae China Factory Green/ Red Colour Car Coolant Anti Freeze Coolant. Long Service Life: Up to 6 years or 300,000 kilometers of reliable protection. Comprehensive Corrosion Inhibition: Full-round anti-corrosion, anti-rust, and anti-boiling protection. Universal Compatibility: Suitable for light-duty and heavy-duty vehicles and industrial engines. OEM and ODM Support: Full customization options including samples and designs available. Eco-Friendly Formula: Easy to biodegrade with low toxicity to humans and organisms. Material Safety: Harmless to rubber pipes and sealing materials, extending seal life. No Additives Required: No reinforcing agents needed for heavy-duty diesel engine maintenance.