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By using the patented automatic steel grinding rod production line, the steel grinding rod has high straightness and toughness. It has high mechanical property, and won't break easily. Suitable for manufacturing the steel grinding rod with the diameter ranging from 50mm to 110mm and the length ranging from 2m to 6m, the equipment has the features covering energy saving, environmental protection, high quality and high efficiency. It can implement heating, straightening, quenching and tempering.
http://www.huaminsteelball.com/proprietary_equipment/patented_automatic_steel_grinding_rod_production_line.html
Patented Automatic Steel Grinding Rod Production Line