... direct, Quarry owner 2). Ten years experience. 3). Good packing Stone Step:1.Color: grey, white, black, ... etc.; 5. Packing: Fumigated wooden crates; 6. Quality control: Polished degree: More than 85 degree, as ... tolerance: +/-1mm, +/-1.5cm or +/-2mm, The quality requirements must be comfirmed by customer. Welcome to inquiry ... , monument, etc Granite step stone stairs with high quality and low price