The road block machine has an overall carbon steel structure. It is used in prisons, military units, airports, oil fields, chemical plants, bank vaults and other places that require extremely high levels of on-site anti-collision equipment. The basic design has a maximum impact resistance of 500,000 kcal. It is equivalent to blocking the impact of a 10-ton truck traveling at 50 kilometers per hour. Can completely block the impact of a 7.5-ton truck traveling at 80 kilometers per hour.