hat
NJMM ka fabrikasyon asye griyaj dapre nòm yo nan konte diferan, tankou Lachin: YB / T4001.1-2007, USA: ANSI / NAAMM (MBG531), UK: BS4592 ak sou sa.
eng
NJMM can fabricate steel grating according to the standards in different counties, such as China: YB/T4001.1-2007, USA: ANSI/NAAMM (MBG531), UK: BS4592 and so on.