Powder-catalyst cylinder,EX-MBD produced high output diamond, low compound stress,Easy to electrolyse,acid wash,pure ... is on top of this industry.2.EX-MBD produced high output diamond, low compound stress ,about 20KG, low electrical current, about ... advantage is growth quality of diamond ,pure color, great transparence, high polish grade, more square material .5.Integrated the strongpoints of ...