Indonesian Marine Corps receives four Type 90B Multiple Launch Rocket Systems from China 22912162.

Besides Indonesia, 24 Type 90B MLRS have been purchased by the Peruvian Defense Ministry in January 2014. All systems have officially been inducted in July 2015.

The Type 90B is the second generation of Type 90 series MLRS (Multiple Launch Rocket System) of 122mm caliber. The weapon system is designed and manufactured by the Chinese Defense Company NORINCO. The first version of Type 90 MLRS was unveiled in the mid-1990s, followed by the Type 90B in 2004.

The 122 mm Type 90B multiple launch rocket system is a mobile fire support system for the destruction of a variety of targets by means of multiple barrages of up to 40 rockets at a time. The Type 90B is able to be in combat position, to fire and leave its firing position in less than 7 minutes

The Type 90B MLRS fires 122mm fin-stabilized rockets and use a composite solid propellant. The rockets can reach a range from 20 to 40 km depending on the rocket type. These rockets can be equipped with the following warhead types: standard High Explosive (HE), High-efficiency HE containing steel balls for greater fragmentation effect, High-efficiency HE Incendiary (HEI), Cargo containing anti-personnel/anti-tank sub-munitions, Mine containing anti-tank mines. System may also be equipped with indigenously developed R-Han 122 B rockets.