Initially founded in 1972, Shandong Lingong Construction Machinery Co., Ltd. (SDLG) is a national large-sized backbone enterprise in construction machinery industry and is listed in Top 100 China's Enterprises in Mechanical Industry and listed as a national-level high-tech enterprise. The leading products include earth-moving scraper and excavator series, road machinery series, mining truck series, and small-sized construction machinery series. SDLG undertakes the core concept of "Reliability in Action" and strives through continual innovation to provide more reliable products and services and maximize the sustained value return to the customers. SDLG established state-level R&D center and postdoctoral workstation, undertook multiple scientific research tasks of National 863 Program and provincial-level programs, and obtained more than 50 national patents. SDLG maintains good cooperation relationship with domestic key colleges and universities and research institutes and established open and efficient technical cooperation and innovation system. SDLG boasts advanced production facilities and complete management system, passed the ISO 9001 quality management system certification, and obtained the Export Product Quality License and the qualification certificate for import & export enterprise. With high quality and excellent services, the SDLG's products are distributed to all regions nationwide and are exported to scores of countries and regions. "Building a globalized SDLG and establishing a trustworthy brand", SDLG will always insist on the product diversification strategy centered on construction machinery, push the continual improvement, continually enrich the production lineup, promote the product quality and brand reputation, and build a domestic first-class and international renowned construction machinery base.