2018-2019
In MMXVIII, Ruifengyuan Stone II complevit, pons primus intelligens machina secans. Annua productio augetur 165,8%. In MMXIX, prudens mutatio in Ruifengyuan Stone occurrit, duos pontes intelligentes machinis C500 secantibus primum introducens, et investigationem et progressionem department et commercium exterum constituens.