Ukususela ekusekweni kwayo ngo-1998, i-Shandong Subang Fluorescence Technology Co., Ltd. igxile kuphela kwi-R & D, imveliso kunye nokuthengiswa kwee-agent ezimhlophe ze-fluorescent kunye nabaphakathi bazo.
Ifumaneka eYucheng, kwisiXeko saseDezhou, eShandong Subang ezinikele kwi-R&D, ukuvelisa kunye nokuthengisa izikhanyisi zamehlo ukusukela ngo-1998.