Kufufuza kwa Silicon Nitride Ceramic Ball ndi Opanga: Toshiba, CoorsTek, Hoover Precision, ITI, Winsted Precision Ball, Ortech, Redhill-mipira, THOMSON, Spheric Trafalgar, Boca Bearing, Enduro, Timken, Salem Specialty Ball, Kyocera, SKF Monga momwe ziwonetsedwere. pansipa, kuchepa kwakukulu kwa nsomba-po ...
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