API Threading Chasers, Carbide Inserts for Tube Machining, Bar Peeling Inserts manufacturer / supplier in China, offering Parting and Grooving-Carbide Grooving Inserts-Dgn2202-J, Parting & Grooving- Carbide Inserts-Top-Notch-Ngp2m250r, Holemaking-Indexable BTA Deep Hole Drilling Tools-SjΦ 78 and so on.