[[https://www.globalsecurity.org/military/world/china/sh-15.htm|PLC-181 155mm self-propelled howitzer]]

[[http://www.military-today.com/artillery/sh_15.htm|SH-15
155 mm self-propelled howitzer]]

[[https://www.youtube.com/watch?v=VzyFlsHfoRM|Pakistan To Procure 236 SH-15 Howitzer Artillery Guns From China]]

[[https://www.youtube.com/watch?v=arD-9ZwToXE|Deadly surprises New Ramjet Engine Could Triple The Range of Chinese Missiles]]