Emerald also needs maintenance, which needs regular maintenance once a month. Therefore, when wearing jade ornaments, it is necessary to keep them clean, often wash them with a soft cloth in a neutral detergent, and then polish them with silk after drying them. Also, jade is afraid of high temperature and can't play often. Grease and sweat on your hands will destroy the color of jadeite. I also like jade ornaments, and I often search for such websites online. Www.txcft.com was introduced by my friend, and I often go to see the jade in it. Very good, the price range is flexible. I think the landlord can find what he wants.