Pro, hello, this product for the solar PV mounting, with simple installation, aesthetics, cost advantages, PV mounting image height front: 0.5M, back: 1.5M, Width: 1M, length: 1.5M. 1.5 square 250-300 watts. According to customer requirements, size or drawing custom. Ladder for the ex-factory price, excluding freight and customs, if interested please contact.