E330 excavator undercarriage parts: carrier rollers, idlers, four wheels and one track, suitable for Caterpillar excavatorexcavators and mining engineering machinery

Our company specializes in the development, manufacturing (casting, forging, heat treatment) and sales of various excavator and bulldozer chassis parts such as idler wheels, towing wheels, drive teeth, guide wheels, track assemblies, U-shaped frames, knife Angle plates, well frames, bucket connecting rods, guard chains, tensioning cylinders, track plates, pins, bucket shafts, shaft sleeves, etc. Our company is equipped with advanced domestic production facilities and testing methods, and adopts Leading process flow. With first-class quality, rich varieties, reasonable prices and good reputation, we have received high praise from a wide range of customers. Our products are sold both at home and abroad. We have established long-term and good cooperative relationships with distributors from various countries such as Russia, Turkey, Iran, India, Malaysia, Thailand, Vietnam, Indonesia, Egypt, Bolivia, Kenya, Uganda and Ghana. Our company adheres to the business tenet of striving for excellence and continuous innovation, and upholds the concept of "quality first, technology supreme, continuous improvement and common development". We aim to open up the future with high quality and provide customers with comprehensive and high-quality services.

Production process flow of track rollers and carrier rollers

	1	2	3	4	5	6	7
Wheel body	Wheel forging	Shell Q&T	Rough machining	Rail surface quenching	Wheel body assembly welding	Precision turning of the wheel body	Semi-product
End cover	Collar pouring	Nodulizing	Shot  blasting	Machining	Cleanig   Ant-rust	Semi-product
Shaft	Shaft  cutting	Shaft  Q&T	Rough  machining	Hardening	Tempering	Grinding	Semi-product
Assembly	Air  leakage  testing	Oil filling	Initial run	Painting	Package and storage