... .7, 25X5…..40X6, 40X8, 40X10,….90X6….Pitch of Load bearding flat bars(mm)12.5,15, 20, 30, 30. ... , 34.8, 35.3, 40, 60, 80……Pitch of cross bars(mm)38.1, 50, 50.8, 70, 75, ... and controlled delivery to cater to the variety of needs of customers. 3. The high-tec techneque and ... equipment guarantee high quality of gratings. Most of machine were imported from Japan, Germany,Switzerland, ...