I ka makahiki 2021, ʻo Xiamen, Fujian Province kekahi o ka pūʻulu mua i hoʻopaʻa i ka "Cailu" brand pre-formed reflective marking strips i hana ʻia e kā mākou hui e hōʻailona i nā hōʻailona ʻāina o nā wahi kaʻa kaʻa kaʻa ʻole, i hoʻokipa maikaʻi ʻia e nā mea kūʻai.