主营产品：金刚石微粉; 金刚石拉丝模; 金刚石研磨膏; 红W0.5; 多晶微粉; W0.5/W40; 50/60; 30/35; 100/120; 120/140; 140/170; 170/230; 230/270; 270/325; 325/400;