Herein is provided a resin platform having an improved capacity to absorb strokes, better loading capacity and durability. It is a platform with a three-dimensional structure which is formed when putting in contact, intermingling and joining adjacent loops or spirals from random loops or spirals of continuous filaments and/or short filaments and a thermoplastic resin. It is formed a platform individual unit with high-density portions having an apparent density increased at opposite ends from the fork insertion holes of the platform individual unit in a direction of the length of fork insertion holes and approximately in a central portion of the platform individual unit in the direction, the high-density portions extending at the opposite ends of the fork insertion holes in the direction of the length of the fork insertion holes and the opposite ends of the fork insertion holes in a direction of the wide of the same, formed in a major way than those high-density portions, which are for med in minor interior su
