There is some difference between the two, that is, the butterfly hole is usually light medium shelf, eight hole generally applied to heavy shelves, their similarities are: minimum adjustable height is usually between two column hole height.
Different shelves categories offer certainly is not the same, each shelf suppliers have their own design, raw material price fluctuations, etc. The price will directly affect the shelves.
Price and the shelf size, bearing capacity, layer number and so on, conventional light shelves, 300-400 yuan/set, medium shelf, 400-400 yuan/set, heavy shelves, 150-230 yuan /. At the same time, some non-standard shelf prices differ from conventional shelves, such as some non-standard shelves that require new molds, and the overall price is likely to increase