Company PSK offers bulk construction materials in bags that will not clutter up the area and contributes to a more convenient working machinery. With us you can order materials such as sand, gravel, approximately, clay, concrete, PGS. In PSK, OOO available ready-made mortar: cement-sand packing 25-40 kg and cement-sand-gravel, it is possible to manufacture finished mixtures under the order. For orders of 30 bags delivery in Stavropol ‘ for free.