With more than 20 years of applicable study on the escort use of metals and non-metals, Double Stars establishes a series of solutions against ammunition, anti-infantry mine, anti-tank mine, RPG, explosive devices, and other mortal weapons. By upgrading the bulletproof and explosion-proof level of these unarmed and low-armored vehicles, vessels, and etc., it can manage to diminish the casualty, promote the combat effectiveness and the adaptability to the changing fields.