2000&up*1250*28~40mm: the diameter of holes are the same, and the direction of holes are parallered the direction of length.(This size will load in Qingdao)

2150*800~1250*28~40mm: the diameter of holes at the end of the board is small, and at the middle of the board there is a solid hole, the diameter of holes at the other position of boards are larger and the same. The direction of holes are parallered the direction of width.(This size will load in Shanghai)