KOMATSU Coolant Expansion Tank 421-03-31181 for WA380-5-W WA380-5L

Since 2007, Chaofu Machinery has been a professional manufacturer of excavator parts based in Guangzhou, China. Our complete production facility specializes in high-quality excavator components including rubber parts, hardware parts, and electrical systems.

We combine competitive pricing with superior quality by eliminating middlemen costs and focusing on direct customer relationships. Our production efficiency allows us to offer better products at lower costs.

Our advanced manufacturing facilities include:

• Rubber Workshop: Fully automated production for hoses, pipes, and rubber components
• Injection Molding Workshop: Automated equipment for durable, precision plastic parts
• Engine Parts Workshop: Semi-automatic production for detailed engine components

Our technical team can modify existing designs or create custom solutions to meet your specific requirements.

We maintain sufficient inventory to ensure prompt delivery, typically within 1-7 days. Our professional after-sales team provides 24/7 support for any technical assistance.