Ultra-siab ceev tshaj 24,000 RMP;ob-txheej dej-txias vaj tse, tsis tshua muaj suab nrov, qis kub nce.Kev ua haujlwm du ntawm kev kub ceev, kev co tuaj yeem ua tau raws li Chav B. Haum rau CNC equipments thiab high-speed xeem lub rooj ntev zaum.
NTA