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Module：0.8-20 Material：40Cr, 20CrMnTiH,20Cr and so on. Heat treatment: overall carburizing quenching or tempering, tooth surface high frequency quenching
Module：0.8-20 Material：40Cr, 20CrMnTiH,20Cr and so on. Heat treatment: overall carburizing quenching or tempering, tooth surface high frequency quenching
Module：0.8-20 Material：40Cr, 20CrMnTiH,20Cr and so on. Heat treatment: overall carburizing quenching or tempering, tooth surface high frequency quenching
Module：0.8-20 Material：40Cr, 20CrMnTiH,20Cr and so on. Heat treatment: overall carburizing quenching or tempering, tooth surface high frequency quenching
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Add：Automobile Industrial Park, Industrial Cluster Area, Changyuan County, Henan Province
