hat
KEHENG èd kliyan sèvi ak pwodwi kòrèkteman: PLAN, ENSTALASYON, fòmasyon, PWOBLÈM retire, antretyen ak reparasyon, renovasyon ak MODERMIZATION.
eng
KEHENG help customers use product correctly: PLAN、INSTALLATION、TRAINING、TROUBLE REMOVAL、MAINTENANCE AND REPAIRS、RENOVATION AND MODERMIZATION.