The issue is not tt it's new but tt #PRC supplied such nefarious weaponry to a #dictatorship🧐 #CambodiaOpenedFire

More firepower: RCAF boosts defensive capabilities with top-notch armoury
" #Cambodia received one battery of six AR2 MRLs, supported by 2 Wanshan WS2500 rocket transport trucks w cranes, 2 WS2400 rocket reloading & resupply trucks, as well as 1 BeiBen battery command post.. The #AR2MRL, meanwhile, is an #export version of the #PHL03 as used by #China’s #PLA"
https://www.khmertimeskh.com/501085466/more-firepower-rcaf-boosts-defensive-capabilities-with-top-notch-armoury/