Basic specs of van semi-trailer, 1. Number of Tire: 12 pieces 2. Type: Soft-top/Open-top tank container Basic technical parameters of open-top semi-trailer: Purpose of this trailerThis is the special semi-trailer for TANK CONTAINERS. (with Flatbed type and Skeleton type) AdvantagesReliable, long life and easy maintenance characteristics. In addition, in line with international maritime standards, ...