Ltd. View larger video & image. Contact Now. for Improving Concrete Rdp. FOB Price: US$ 1.89 / kg. Min. Order: 500 kg. · The generator and all required equipment arrive on site in G S transit vans and we only require enough room for the ready-mix truck and a concrete pump if required. Concrete Once the ing is complete the concrete is then ready to be placed either direct from the truck or via GS Concrete's specially adapted pump.