After graduated from Sichuan University in year 2000, Mr. Shi (founder of Hongjun Company) joined Sany Heavy Industry Co., Ltd. and worked in workshop of Sany crawler crane as a workshop manager, from here Mr. Shi was in touch with many factory automation equipments such like CNC lathes, CNC milling machines, CNC machining centers, CNC wire EDM machine tools, CNC EDM machine tools, laser cutting machines and automatic welding robots and from here he predicted that the automation in factory would developed at a high speed in the next coming decades! But the most serious situation was that many factories cannot get the maintenance spare parts at a necessary...