The diamond abrasive tool has been widely used in the gem processing factory. 金剛石磨具已廣泛用於寶石加工業。
HENAN QINGLI DIAMOND ABRASIVE CO.,LTD.is an enterprise specialized in R&D and manufacturing superhard materials and its products. 河南青立金剛石磨具磨料有限公司是一家從事超硬材料及其製品研究開發和生產的企業。