The water, sourced from tap water, rain or groundwater, for domestic use might be disinfected by one of the following methods such as filtrations, distillation, ultraviolet disinfection and boiling. However, those methods all have the drawback of limited output quantity and none of them can disinfect the water when it is in a storage tank.
詢盤籃
幫助
僅買主可瀏覽! 
ace_suppliers@hotmail.com 
604292613