| http://www.w3.org/ns/prov#value | - The company has been committed to the R&D, production-manufacturing and marketing of various imported excavators of Komatsu, Carter, Hitachi, Sumitomo, Kobelco, Daewoo, and Teng, Hyundai and other brands or domestic excavators and bulldozer high-strength quick-wearing parts including supporting wheel, guide wheel, chain wheel, driving gear, caterpillar track, 'four-wheel and one belt' chassis part
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