8 1/2" Pile Foundation Cone Barrel Drilling Accessories/Welded Roller Cones for Rotary Drilling Bits
YINHAI PRODUCTION AREA
YINHAI -Series type of cone bits are assembly parts of Tricone bit &hole opener,its the main cutting structure of a bit.
1.Q:What kind of packing do you have?
A: Wooden case free of fumigation; Cartons; Packing can be customized.
2.Q:What is your price advantage?
A:We are 100% factory directly sales,API production process guarantee,Provide customized services for brand processing.
Reduce the cost of drilling for you, worry free after-sales service.
Welcome to book a video-call to inspect our factory.