factory low price Rotary Tci Tricone Drill Bit - Competitive Price Tungsten drawing dies – Shanghai HY Industry
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factory low price Rotary Tci Tricone Drill Bit - Competitive Price Tungsten drawing dies – Shanghai HY Industry,
Product Information:
•Sintered
•Unground/Ground & Unpolished/Polished available
•Size available
•Perfect surface
Grade: YG6X,YG6,YG8 ect
Also we can send you some samples for your testing.
