Quanzhou Yongxing Project Machinery Co., Ltd. is a leading professional manufacturer of engineering machinery spare parts, integrating industry and trade together. Our 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 wheels, guide wheels, chain wheels, driving gears, caterpillar tracks, "four-wheel and one belt" chassis parts and cotters,...