... . 2.The cutting edge is very sharp and cutting tool with a reasonable strength so that the cutting process is ... lighter and the cutting tool has a longer life. 3.The minimum specification of ... choosing by Xiangtan Iron and Steel Co., Ltd (XISC), SANY Heavy Industry Co., Ltd, Weichai Power Co., Ltd, CSR Co., Ltd, Anhui Military Industry Group Holding Co, Ltd. and other ...