... .,Ltd Advantage:1)100% environmentally-friendly.2)Punctual delivery,high quality in competitive price.3)Have 10 QC person to ... professional in producing polishing pads, cutting blade, core drill bits and stone processing machinery for more than 6 years.Now ... 2.Main productsPolishing Pads,Cutting Blade, Core Drill Bits, Diamond Cup wheel, Finger Bits, Stone Processing Machinery,etc.3.QualityWe believe ...