• Oct.2006. Supply the structure of Compactor to CXL.
• Feb.2007. Held the ceremony of supplying 904B structure to SEM in wielding workshop.
• Aug.2007. The accomplishment of the Gen 1 wheel loader studied by SEM and CRDC.
• Feb.2008. SEM joined CAT totally.
• Nov.2009. SEM held the first Global Dealer Conference in Beijing. Dealers from 14 countries joined this event.
• Dec.2010. SEM launched our first Soil Compactor machine to the market.
• Sep.2010. SEM held a grand opening ceremony for our Road Show and kicked off our Mobile Marketing to further demonstrate our value of Customer Focus.
• Jul.2003. Convened the seminar of development strategy in Qingdao.
• Nov.2003. Held the signing ceremony between SEM and caterpillar in Zhuhai.
• Jul.2004. Spread the 6sigma and trained black belt.
• Oct.2004. The signing ceremony of transferring stock ownership among Blackburn, Wang zhizhong and Wang chunquan.
• Mar.2005. The foundation of SINO-U.S joint venture SEM.
• 1995~2000. Established machine painting production line.
• Nov.1998. Pilot of ZL50F succeed.
• Dec.1999. Developed ERP and put into use
• 2000~2005. Established 1st operation and Aoweier component welding wordshop.
• Sep.2001. Pilot of WZ30-25 backhoe succeed.
• Jan.2003. Trencher
• May.2003. Establish Shan dong SEM Machinery Co.Ltd and 1st operation finished.
• Oct.2003. IT infrastructure of company is included the eighth state special project.
• 1985~1990. Established assembly, machining and parts painting workshops.
• Jun.1985. Successfully developed ZL300 with Engineering machinery institute of machinery department
• Jul.1985. Our factory was included in the key project of technique transformation
• Jul.1986. Factory moved to Da Buding from old site.
• May.1987. Factory changed name to Qingzhou City Engineering machinery factory(collective company)
• May.1988. Manufactured pilot of 50 axle and 50 transmission.
• Aug.1989. Pilot of ZL500 WL succeeded
• 1990~1995. Investing 115 million RMB to plant construction,equipment purchasing and production line
• Sep.1992. In order to release employees' burden and speed company development, company leaders decided all staff change from rural to non-rural registration.
• Aug.1958 Mihe combinated company set up. 1972. The name is changed to mihe.yidu agriculture machine factory.
• Jan.1967~Jan.1972. Pilot threshing machine, flaying Machine, well drilling machine, wire drawing machine, Milling machine and TV motor hoist.
• May.1975. Parallel develop several product,pilot medicine Muller,concrete pavement joint cutting machine;
• Aug.1976. Pilot new product JZ425WL. Main co- workers: WangGuocai,WangChunquan,LiChunsheng,LiuBaoxin,Wangpeiwen,Minqinggui,Douchuncai,
Gonghuaili,Doukezhong,Guoqingshan,Zhangrushuang,Wangkonghan and so on.
• Apr.1978. After approval by Yidu county, renamed Yidu Machinery factory
• Dec.1981. Weifang Economic 44 files of Machinery Bureau approved Yidu Machinery factory affiliated to Yidu
• Oct.1982. Join in National WL Industry, attend the industry activities and become the member of WL industry.
• Jan.1983. Yidu County Government 83 file. formally approved production-demand-sales chain system,people, talent, material development planning, technical standard, statistics and accounting, implement overall management.
• May.1983.Our product come out top and reward the first class product during 500 hours reliability competition of National WL Industry.
• Oct.1983. Successfully develop the first ZL25A WL, pass the provincial certification and production.
• Nov.1983. Our product win the first-class product again during Industry Inspection(the Nationalm level)and Industry Inspection(the Provincial level).
• Mar.1984. Shandong Machinery Commission 26file, our company affiliated to Shandong Provence Machinery Bureau.
• Sep.1984. Set up the Open University, organize 90 students(3 classes)to attend correspondence courseds, major in Machinery.
