SHANDONG VS PETROLEUM TECHNOLOGY CO.LTD (VSP), founded in 2010, takesthe Manufacturing,mport & Export of petroleum equipment as the main businessand the oil&gas drilling logistics support and technical services as the carrier, thisenables it to meet the increasing demand of equipment for domestic and foreignpetroleum industry. VSP has independently developed and launched the DQ seriestop drive, which are suitable for drilling operations at depths ranging from 2000 to7000 metres. lt also provide OEM parts and substitutes for top drive Of VARCO,TE-SCO,CANRIG,TPEC,JH,BPM,HongHua.With 16 years of experience in the top drive market, we have established a com-plete OEM import channel in the United States, Canada, and the European Union.Through strict price and quality control