Home Products

PDC Drill Bit 3 1/2′′ API Oil Well Drilling Tool PDC Bit

Introduction of PDC drill bit:1.Steel body with hardening tungsten carbide surface(WC),make the drill bit both high...

[ , ]

Quick Searches Tags: machine overlock, iron planters, light handle, clothing belt,

Hot Product : A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0~9