河间市众诚钻头制造有限公司
Hejian ZhongCheng Drill Bit Manufacture CO.,LTDBooth：W2520

Exhibit Profile：
TRCIONE BIT,TCI BIT,STEEL TOOTH BIT,SINGLE ROLLER CONES,PDC BIT,DRAG BIT,CORE BIT,HOLE OPENER,ROCK REAMER,BARREL REAMER,FLY CUTTER,MILL SHOE,DRILL PIPE,DRILL ROD,STABILIZER