RTC Co.,Ltd. is an evironment-friendly enterprise that study, invent and manufacture environment products to protect natural environments and saving natural resourcesRTC emphasis on inventing nonpolluting ceramic detergent composed of special natural materials to prevent the pollution by chemical detergents. RTC has studied for Fiber-rinsing by Ceramic for 5years and In 1999, RTC invented and obtained a Patent The Process of Fiber-rinsing by Ceramic