Products size Follow OEM strictly 2. One-stop service (1)Full undercarriage parts of excavator and bulldozer are available: guide wheel/track roller/bottom roller/lower roller, front idler, sprocket rim/segment group, carrier roller/top roller, track chain with shoes/track group (2) Excavator spring assembly with OEM size, bucket link/H link, link rod/I link, track guard (3) Ground Engaging Tools: bucket teeth, excavator buckets, cutting edge, and end bits 3. Factory direct price and Strict Quality Control We have our own factory and foreign trading office, attach much importance to items quality during the production and always check each goods before delivering.