Idanileko wa Ohun elo wa semifinished ọja iṣakojọpọ ọja ti pari ọja ti pari ijọ òfo òfo ayewo CNC cryogenic itọju liluho ẹrọ lathe agbegbe kikun pilasima sokiri alurinmorin didan shotblast ẹrọ ẹrọ lathe