The People's Liberation Army (PLA) stationed in Southwest China's Tibet Autonomous Region has just been equipped with new self-propelled howitzers. On 8 January, Army Recognition echoed the ferrying of SH15 ones to the same destination, which leads to wonder whether the same SPH is now in service in two similar versions bearing two distinct designations - SH15 and PLC-181 - or if the same artillery system bears two different designations.