ZTE Energy Development Corporation is a leading manufacturer of drill bits in Calgary.Good quality,best price and perfect after-sale service is what we are doing and pursuing. Our factory has 12 years experience in this field,we supply ST/milled drill bits,TCI/insert drill bits ,PDC drill bits,which are popular in the USA,Mexico,the United Kingdom,Australia ,etc. We also buy different kind of pre-owned drill bits with good price. We are looking for distributors in Canada and serve 50% off of the retail price and free hand to hand delivery to our new partners,. If you have an interest in us,Now,it is amazing time to join our growing family. We try our best to serve our customer as we believe long cooperation based on mutual trust.It is our principle that customer’s need is our first attention. Any questions,please don’t hesitate,contact us freely!