... Covers, Assembly Lines, Stairs, Gully Covers, Jetties, floo square floorway road rain drainage frp grating trench cover professional manufacturer ... width direction)67%13.8763038 × 381220 × 3660 , 997 × 305069%14.6073040 × 401007 × 3007 , 1007 × 4007, 1007 × 4047 ,1247 ... 366047%50.4316P3838 × 381230 × 367068%17.517P3038 × 381220 × 366069%14.0 Remarks:The above is the specifications of MACHS standard ...