????? ????
92% 95% ???? ??? ?? ?? ?? 0.5-90mm ?
- ???:
- ?? ??:
- ???: win-ceramic
- ??: industrial ceramic ball
??: 1000-2000
92% 95% ?? ???? ?? ???? ??? ?? ???
- ???:
- ?? ??:
- ???: win-ceramic
- ??: industrial ceramic tile
??: 1000-2000