YG20 yog ib hom cemented carbide, tshwj xeeb tungsten carbide.Nws tsis tau txais kev kho cua sov, muaj qhov sib txawv sab hauv thiab sab nraud hardness, thiab tsim nyog rau ntau lawm.YG20 yog tsim los ua stamping pwm, xws li stamping saib qhov chaw, suab paj nruag caij nplooj ntoos hlav nplooj ntawv, thiab lwm yam., ...
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