Sichuan dej Pob zeb Co., Ltd. nrhiav tau nyob rau hauv 2002, yog ib tug neeg thiab ua siv thiab ua cov sib txawv signage system. Adhering rau cov tuam txhab nqi ntawm "kev ua lag luam-taw qhia kom paub thiab neeg-centric", peb muab kev ib-nres kos npe rau system tshuaj.