... ,as follows,Crawler ExcavatorWheel ExcavatorYugong Machinery Co.Ltd.is in coorperation with Shanghai Tongji Univercitity as its technology partner. ... has core parts factories and research&development team in South Korea, has own import and export right. Since the establishment,it ... excavator, to serve the construction of new towns. All in all, it endeavors to launch cost-effective industrial products ...