... the synthetic diamond catalogue.The Grade of our synthetic diamond: JSSD/JSMD/JSBD 9907 1. Complete cubo-octahedron, regular crystal shape2. ... abrasive wheel to process the express train spare parts. JSSD/JSMD/JSBD 9908 1. Shape is complete and regular cubo-octahedron ... all varieties of diamond dressing tools application as well. JSSD/JSMD/JSBD 9909 1. Shape is mainly cubo-octahedron and complete ...