polyurethane foaming machine, PU foam machine, PU foam spraying PU foam machine,Used for production of horniness and semi-horniness and soft goods of polyurethane, such as:* sofa mat, seat, massage armchair,* thermal insulating layer, heat insulator, solar panel,* petroleum pipeline, hourse roof,* cushion of automobile and motor, instrument plate, cold locker, pipe in pipe, active cold storage ...