SICHUAN YIJING CHANGYUN SUPER-HARD MATERIAL CO.LTD - China

sichuan yijing changyun super-hard material co.,ltd is one of largest manufacturers in CHINA to produce diamond with belt-process.the diamond is very suitable for cutting marble and granite,and for making diamong tools ,such as saw blade,drilling bits.] the most important thing is that we can provide you good quality with competitive price