hsdb

impregnated diamond core bit 1.12 years experience,OEM factory credit . 2.Approve ICQ inspection& obtain UKAS certification PDC core bit with (include any size and oversize)China Drilling Geological Equipment ltd., is the professional manufacturer of drilling tool in china, and specializing in the design and manufacture of premium diamond drilling tools for the world engineering: geotechnical ...

... 1 5.0 Acceptable Air compressing packing machine H.sheng & HSDB-1B 1 3.0 Acceptable Testing Machinery: Machine Name Brand ...