Porcelain originated in China and is a great contribution made by Chinese nation to the world civilization. “porcelain” and “china” are the same word. This phenomenon fully show/suggests/indicates that fine/exquisite Chinese porcelain can act as the symbol of China. porcelain is valuable/expensive/unaffordable because of its beautiful appearance and high strength. 1,000 years before Europeans mastered porcelain production techniques/technology, Chinese people had already made/manufactured very/highly/considerably/tremendously fine porcelain. The Jingdezhen porcelain products are world-famous for the exquisite workmanship , beautiful shapes, delicate patterns and charming colors.