The ZTZ99 is considered the most advanced primary battle tank (MBT) with this PLA. The ZTZ99 provides an important enhancement in firepower, flexibility, and protection when compared with older Chinese-made tanks. Some of the ZTZ 99 ' s technologies have been completely always update the cheaper ZTZ96 MBT. The hull the ZTZ99 is very much like this the T-72, it is about one metre longer. The turret and hull are of all-welded metal armour construction. The key arc on turret are added with a layer of composite armour, or arrow-shaped spaced add-on armour modules. The armour package is of modular design, allowing damaged components to be changed or upgrades setup throughout solution life