Oct. 2007SDLG held the first "Employee’s Family Day" activities.
Jan. 2007SDLG LG953 wheel loader was titled " China’s TOP50 Construction Machinery Products of the Year 2009".
Dec. 2006SDLG trademark was identified as “Famous Trademark of Shandong Province” by Shandong Administration for Industry & Commerce.
Jun. 2006SDLG entered “top 50 Construction Machinery Enterprises in the World 2006".
May. 2006SDLG successfully developed LG655 excavator.
Dec. 2005SDLG was awarded”2nd Advanced Enterprise in Aftersales Service for National Famous Products”.
Nov. 2005SDLG Industrial Park was put into production and the annual output and sales volume exceeded 10,000 sets.
Sept. 2005SDLG was entitled “National Pilot Enterprise for High Product Quality, Satisfied Aftersales Services and No Customer Complaints”.
Aug. 2005SDLG LGB680 backhoe loader passed the provincial evaluation.
Jun. 2005SDLG was awarded “Star Enterprise of Shandong Province in National Patents”.
Sept. 2004SDLG loader products were recognized as “China’s Famous Products”.
Apr. 2004SDLG was awarded “National Model Workers’ Home ”.
Apr. 2004SDLG set up the Post-Doctoral Research Station.
Jan. 2004Shandong Lingong Construction Machinery Co., Ltd. was registered.
Dec. 2002the loader product series was awarded “Product Quality Award in Machinery Industry of Shandong Province”.
Aug. 2002LG120W wheeled hydraulic excavators project" was included in the “2002 National Technology Innovation Program”.
Jul. 2002the company was recognized as "Key Enterprise in Machinery Industry of Shandong Province".
Sept. 2001the new trademark "SDLG" and the figure were officially put into use.
Jun. 2000the company implemented internal reforms and changed the operational mechanism.
Feb. 2000the company was awarded "Model Enterprise of on-site Management of Shandong Province”.
Dec. 1999the company gained the license for import and export issued by Ministry of Foreign Trade and Economic cooperation, PRC.
Dec. 1999the company was titled "Outstanding Quality Management Enterprise in Machinery Industry of Shandong Province."
Jul. 1999the company developed LG120 excavator and R924 excavator.
Dec. 1998ZL50 wheel loader was titled “Famous Product of Shandong Province”.
Jun. 1998"SDLG" A shares were listed on the Shanghai Stock Exchange under stock code "600162."
Mar. 1998SDLG passed the certification of ISO9001 quality system.
Apr.1997the company made mass production of ZL30 loaders after successful trial production.
Mar. 1997the company was recognized as "Shandong Provincial Contract Observing And Trustworthy Enterprise" by Shandong Administration for Industry & Commerce.
Mar. 1997the company entered “1996 Top 50 Machinery Industry Enterprise in Sales Revenue and Taxation of Shandong Province”.
Dec. 1996the company made restructuring and established the limited liability company – Shandong Lingong Construction Machinery (Group) Co., Ltd. The Group Company became one of the four enterprise groups directly subordinated to Linyi government.
Jul.1996the company made successful trial production of PC120 excavator.
June. 1996the company issued the "Weili Cup Evaluation Regulations for Technological Progress Achievements".
Dec. 1995the company gained the “Export Quality License for Mechanical and Electrical Products” issued by the Ministry of Machine Industry of the PRC and State Administration for Import and Export Commodity Inspection.
Oct. 1995the company was titled "Advanced Enterprise in industrial Standardization" of Shandong Province.
Apr. 1995Wang Zhizhong, Chairman of SDLG, won the title of "National Model Worker".
Dec. 1994 Shandong Linyi Engineering Machinery Factory was recognized as the 2nd class large state-owned enterprise.
Sept. 1994the first excavator jointly developed with Komatsu was launched.
Mar. 1994the company held the establishment meeting and the first Shareholder’s meeting.
Jan. 1994the company made shareholding system reformation and established Shandong Linyi Construction Machinery Co., Ltd.
Dec. 1992the company was included in “China’s Top 500 Enterprises of Best Economic Benefit” and ranked 16th in China’s machinery industry.
Feb. 1992the company was designated as one of the 134 pilot enterprises of Shandong Province, and fully implemented the labor contract system.
Jan. 1992the company was titled "Leading Enterprise of Industrial Economic Benefits".
Oct. 1991ZL40 loader was evaluated as “Quality Products” by Ministry of Mechanical and Electronic Industry.
Jan. 1991ZL50 loader was titled "Shandong Provincial Quality Products."
Dec. 1990the company passed the Safety Evaluation conducted by the Mechanical and Electrical Department of PRC and became an enterprise with national-level safety.
Aug. 1990the company was promoted to the medium-sized (I-class) state-owned enterprise.
Mar. 1990the loader products were exported to Indonesia, Pakistan and other countries.
Aug. 1989the company was evaluated as 2nd-class state-owned enterprise by the Mechanical and Electrical Department.
Dec. 1988ZL40 loader was titled "Quality Product of Shandong Province".
Nov. 1988the company was awarded "Advanced Enterprise" of Shandong Province.
Mar.1988ZL50 loader was awarded First Prize of Excellent Products of Shandong Province.
Dec. 1987the company successfully developed CLJ-8A all terrain forklift truck.
Jul. 1987the company implemented “contract operation”, Director Wang Zhizhong signed the contract operation agreement on behalf of the company with the Administrative Office of Linyi Government.
Dec. 1986ZL50 loader under the brand name "Weili" passed the evaluation of Ministry of Machine-Building Industry.
Nov. 1986Wang Zhizhong was appointed as Director of Linyi Construction Machinery Factory.
May. 1986Wang Zhizhong was appointed as Secretary of the Party Committee.
Jul. 1985the trademark "Weili" was officially registered in the Trademark Office of The State Administration for Industry & Commerce of PRC.
Oct. 1984ZL50 Loader was successfully developed.
Feb. 1982the company held the first Worker’s Conference and passed the Code of Conduct and Regulations of Economic Responsibility System.
Sept. 1981the company carried out Above-Quota Wage System By Piece on trial and the Assessment, Rewards and Punishment Measures for the Staff.
Apr. 1980the company carried out Rewards and Punishment System on trial.
Nov.1979ZL40 wheel loader was successfully developed and passed the national-level evaluation.
Mar. 1979the company implemented hourly wage.
Jul. 1978the company made thorough adjustment on the production, business operation and management.
Dec. 1976Z450-3M3 loader was successfully developed.
Nov. 1976Shandong Linyi Machinery Factory changed its name to Shandong Linyi Mining Machinery Factory.
1975CPC general branch committee of Linyi Machinery Factory was established.
1974ZYQ-12G pneumatic loader was successfully developed and put into production.
1973C41-400 Pneumatic Hammer was successfully developed and put into production.
1972The former of SDLG, Linyi Machinery Factory was officially established.