shannxi hainaisen petroleum technology Co.Ltd

Date: 9th May 2016
6 "HM362XA 6 vinger Matrix krop olie boring Pdc Drill Bit til oliefelt boring
diamant pdc drill bit /oil field boring/6 blade bedste kvalitet pdc boring / diamond bits st?rrelse Website:http://www.pdcoiltool.com
Images
Latest News