We are Hebei ZhanKui Drill Equipment Company in China. One of the largest drill equipment company producing new drill pipe, tricone bits, PDC bits and also can supply used tricone bits including TCI and steel tooth bits with good condition and reasonable price. At the same time we want to import the scraped PDC and junk TCI from all over the world. 
 If you have interests,please contact me,thanks.
Sunny
drillbits2@
MSN:triconebit1@
Skype:triconebit