Cost-effective 40 Chain Excavator Chain Rail For SY55/SY60/SY60-7/SY60-8 11044380 Sany Parts
Wear and corrosion resistant mine quality impact and pressure resistant preferred material
The optimized production material and process of easy selection chassis parts are made of high-strength alloy tempered steel.
Structure stress treatment, the overall quenching thickness is more than 5 mm, so that the product performance is more stable, more wear-resistant
