CANGZHOU GREAT DRILL BITS CO., LTD

CANGZHOU GREAT DRILL BITS CO., LTD

Advanced equipment, strict quality control to ensure product quality

2019 08/01

We purchased new Mazak(Made in Japan) CNC machines, the precision keep 0.005mm , at the same time we have new purchased inspect PDC bits and Tricone rock bits machines , PDC cutters inspection machines from U.S..

We have show our patents and certificates , it is come true we have the strictly quality control from raw materials ,and quality control about production in the process . Welcome to hear your inquiry about PDC bit,tricone rock bits,rock reamer,PDC hole opener , pilot bit .

We have confidence the customers will happy for choosing GREAT BIT ,and we will be assured to supply our best price and service .quality testingtestingequipment