أدوات التحكم في الحفارات  شركات مصنعة، تجار، موردون، مزودو خدمات

Shandong Lingong Construction Machinery (SDLG), first established in 1972, is a leading international manufacturer of construction machinery, and the national-level high-tech company. SDLG produces more than 100 kinds of products in three categories, namely, loaders, excavators and pavement construction machinery. Its pillar products are rated as China Famous-brand Product and Famous Trademark of China. SDLG has received many honorary titles including China’s Top 100 Enterprises in Machinery Industry, Leading Enterprise in the Industry, Credible and Reputed Enterprise, Single-item Champion Demo Company in Manufacturing Industry, National Labor Medal, Governor Quality Prize, National Quality Award in Machinery Industry, National Quality Prize, Asia Quality Excellence Prize,EFQM Global Excellence Award and National Quality Benchmark Company, etc.
SDLG, maintaining sound partnership with leading universities and research institutes in China, has established the open and efficient system for technological cooperation and innovation. It has established the national-level technical center and Post Ph.D. work station. It undertakes a few R&D tasks in China’s 863 Program and those above the provincial level, obtaining more than 290 national patents.