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.

In 2006,SDLG cooperated with VOLVO(one of the World Top 500),which helped the company learn the management experience and technical support from the internationally tiptop enterprise. Such move strongly boosted SDLG's internationalization progress. In October 2007,Volvo Construction Equipment signed an agreement concerning additional investment with SDLG, which greatly advanced SDLG's productivity from original 15000 units to 30000 units. Therefore, the cooperation between SDLG and Volvo is the spur for SDLG's fast-rate development. By improving product quality and management level, SDLG will continue maintaining its brand advantage in China and expanding shares in domestic market.

SDLG Jinli Group was subsidary of SDLG which was founded in 1999,including: Linyi Lingong Jinli Machinery Co., Ltd., Linyi Jinli Hydraulic Technology Co., Ltd and Linyi Fusheng Machinery Co., Ltd. Jinli Has been a major construction machinery parts supplier for SDLG and other brand include VOLVO ,.liugong ,John Deere.LIEBHERR ,LOVOL.XCMG ,STRONG etc. our Products include wheel excavators and all SDLG construction machinery spare parts Shandong Weiman Machinery Co., Ltd is exclusively authorized exporter and importer by SDLG Jinli Group Company .

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