
Shandong Lingong Construction Machinery (SDLG) manufactures construction machinery including loaders, excavators, graders, rollers, scrapers, and mining trucks, backed by strong R&D and a reliability-driven approach.
Shandong Lingong Construction Machinery Co., Ltd. (SDLG) is a large-scale backbone enterprise in China’s construction machinery industry, recognized among the Top 100 China’s Enterprises in the Mechanical Industry and as a national-level high-tech enterprise.
The company’s product portfolio covers earth-moving and road-building equipment, including scrapers and excavators, road machinery, mining trucks, and small-sized construction machinery. SDLG also focuses on a “3+1” product line that includes loaders, excavators, motor graders, and road rollers, supporting diverse jobsite needs.
Guided by the concept of “Reliability in Action,” SDLG emphasizes continual innovation and customer value. It operates a state-level R&D center and a postdoctoral workstation, has undertaken multiple scientific research tasks under the National 863 Program and provincial-level programs, and has obtained more than 50 national patents. SDLG also maintains cooperative relationships with key domestic universities and research institutes to support an open and efficient technical collaboration and innovation system.
With advanced production facilities and a complete management system, SDLG serves customers across China and exports to numerous countries and regions. The company continues to build a globalized SDLG and strengthen a trustworthy brand through product diversification and ongoing improvement in quality and reputation.

SDLG operates as a national large-sized backbone enterprise in the construction machinery industry, with a long-term focus on building a trusted brand through reliable products and services.
SDLG has undertaken multiple scientific research tasks under the National 863 Program and provincial-level programs, strengthening its technology development and product innovation capabilities.
SDLG maintains cooperative relationships with key domestic universities and research institutes and has built an open, efficient technical cooperation and innovation system.
SDLG operates with advanced production facilities and a complete management system, supporting consistent quality and scalable delivery.
SDLG’s products are distributed nationwide across China and exported to numerous countries and regions, supported by an established sales and service network.
Centered on the concept of “Reliability in Action,” SDLG continues to innovate to provide more reliable products and services and maximize sustained value return for customers.
SDLG advances a construction-machinery-centered diversification strategy, continually enriching its lineup while improving product quality and strengthening brand reputation.
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