Changsha Drilling Machinery CO., LTD

Contact Us

Name: Perry Tan
Tel: 0086-731-84077805
Fax: 0086-731-84072772
Add: 5# Panpan road, economic development zone, Changsha, Hunan, China. Zip 410100
Skype: csdrillingtools
QQ: 2522716948
Skype: csdrillingtools QQ: 2522716948

  [Company News]  Rock Sampling  8/17/2015 9:34:56 AM
  [Company News]  Analysis drill bit  4/23/2015 5:08:24 PM
  [Company News]  Exhibition in our factory 2014  11/17/2014 3:06:38 PM
  [Company News]  Company journey November 2014  11/17/2014 3:01:16 PM
  [Company News]  China Mining 2014 (Tianjin)  11/17/2014 2:04:31 PM
  [Company News]  Our 275mm Electroplated Diamond Core Bit, concrete core, max length 13.18m  9/24/2014 2:52:58 PM
  [Industry News]  China stabilizing GDP growth, prioritizing reform  12/25/2013 4:14:39 PM
  [Industry News]  Chile injects an extra $1bn in largest copper miner Codelco  12/25/2013 4:11:13 PM
  [Industry News]  BC coal project faces fresh woes over foreign workers  12/25/2013 4:08:56 PM
  [Industry News]  Canada’s Sherritt sells coal business for almost $1bn  12/25/2013 4:04:38 PM
  [Industry News]  Barrick sells Australian Plutonic mine to Northern Star  12/24/2013 10:49:38 AM
  [Industry News]  Rio considers dumping stake in Pebble mine’s owner Northern Dynasty  12/24/2013 10:45:54 AM
  [Industry News]  Gold price: Hedge funds increase bearish bets again  12/24/2013 10:44:23 AM
  [Industry News]  China (Beijing) International Mining Expo 2013  11/27/2013 8:55:32 AM
  [About Drilling]  Hot-press Diamond Drill Bit Hardness and Rock Drill ability Grades Form  11/20/2013 10:08:59 AM
  [About Drilling]  Rotary speed selection chart  11/15/2013 10:27:24 PM
  [About Drilling]  Influence factors of rotary speed  11/15/2013 10:25:03 PM
  [About Drilling]  Influence factors of flushing water  11/15/2013 10:23:25 PM
  [Company News]  Drill bit pressure selection sheet  11/15/2013 10:21:43 PM
  [About Drilling]  Influence factors of drilling pressure  11/15/2013 10:20:53 PM
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