PDC Bit Nozzles Yuyao Mingbang Spray Packing Co., Ltd. Base Info Type：Core DrillUsage：Well Drilling, PDC NozzleManufacturing Arts：DrillingTrademark：HNITransport Package：CartonSpecification：ISOOrigin：ZhengzhouHS Code：8207191000 Description Pre：Helmet Shaped PDC Cutter Next：High Quality Super Thin Saw Blank
