PDC drill bit of different kinds and sizes
high quality and the best price
As one the unique designated production enterprised, our company has a history of more than 40 year,there is the earliest specific research institution of drill bits where a group of experienced engineers and researchers available . With the high technology,advanced management and reliable quality ,we have pas the API identification from 1986 and have got the API certificate.Besides ,in 1996 ,we got the ISO9001 quality management system certification.Our product has been marketed all over the world ,including our main land and other foreign countries like northern America, middle east ,eastern Asia,and south east Asia. we put "quality first" first ,and supply different service for different requirments.