Shandong Zhiyuan Equipment Manufacturing Co., Ltd., located in Jining Hi-Tech Zone, covers an area of 8,000 square meters, has 50 employees, produces Komatsu Shantui PC220 counterweight/left and right doors/engine hood and other products, and has reached a strategic cooperation with Jinan Heavy Machinery to produce S0607 and S1413 chassis, S1012/S1413E/S0407E R series steering knuckles and other products; Maisiber ME80 and ME13 boom/arm/ZYR135 luffing mechanism and other products are also manufactured by Zhiyuan Equipment.