YIJIANG ya ƙware a cikin kera sassan motocin juji don MOROOKA , gami da abin nadi ko abin nadi na ƙasa, sprocket, abin nadi na sama, rakodin gaba da waƙar roba. Waƙoƙin roba sun dace da ƙirar Morooka da suka haɗa da MST300, MST600, MST800, MST1500, MST2200, da MST3000, da sauransu.