X13S ye telefɔn ye cɔl 5G ye cɔl "explosion-proof" ye cɔl "explosion-proof" ye cɔl "explosion-proof" ye cɔl "explosion-proof" ye cɔl "explosion-proof" ye cɔl "explosion-proof" ye cɔl "explosion-proof" ye cɔl "explosion-proof". Telephone ye IIC grade anti-explosion certification, anti-explosion mark Ex ib IIC T4 Gb, lëu bï ya luui në ɣän ke chemical zone 1, zone 2 ku jɔl ya ɣän ke chemical zone 1, zone 2 ku jɔl ya ɣän ke chemical zone 1, zone 2 ku jɔl ya ɣän ke chemical zone 1, zone 2 ku jɔl ya ɣän ke chemical zone 1, zone 2 ku jɔl ya ɣän ke chemical zone 1, zone 2 ku jɔl ya ɣän ke chemical zone 1, zone 2 ku j