Introduction to the Republic of China: During the Ming and Qing Dynasties and the Republic of China, sanitary porcelain, architectural porcelain, daily porcelain and painted porcelain made remarkable achievements. Tangshan's colored porcelain of the Republic of China created the historical glory of northern art porcelain. The first sanitary ware in China produced by Tangshan Qixin Porcelain Factory became a historical symbol that China's ceramic industry entered the stage of industrialized production.