Jining Songxin Construction Machinery Co.,Ltd mainly deal with construction machinery parts,especially in komatsu genuine parts.We have done this business for about 5 years,the brand contains the komatsu ,the caterpillar,the shantui and the cummins.For we located in the city of jining,shandong province,China,which is the base of komatsu factory in china ,so we can provide these parts with best quality and reasonal price.