Chengdu History Petroleum Technology Co.,Ltd.(CDHP)

New product

$5 7/8\'\' M123 tungsen drill bits , tungsen pdc drill bits , oil and gas tungsen pdc drill bits$

5 7/8\'\' M123 tungsen drill bits , tungsen pdc drill bits , oil and gas tungsen pdc drill bits: Min. Order : 1 Pieces; FOB Price : USD $1000 - 5000 / Piece