Bloodstone, a cornerstone of cinnabar, is named after cinnabar as bright red as chicken blood. Bloodstone, together with Shoushan Stone, Qingtian Stone and Balin Stone, enjoys the reputation of "Four National Stones" in China. Bloodstone is mainly used as a material for seal or craft carving, which has made a unique contribution to the development of Indian culture in China. At the same time, a unique school of "chicken blood" carving was formed in jade carving technology, and its works were praised as "magnificent, exquisite, elegant and colorful".

Red chapter material, also known as "Dahongpao", is waxy and slightly transparent, with strong blood color, gorgeous, flowing naturally and not easy to fade. This pair of bloodstone seals is transparent, with few impurities, uniform line thickness, natural color and crystal clear, and is a good material for making seals. Bloodstone symbolizes "good luck" because it is red all over. You have it as good luck, good things happen again and again, smooth sailing and all the best.

In the 1970s, when diplomatic relations between China and Japan were normalized, Premier Zhou gave the Japanese Prime Minister a bloodstone seal. So far, the quarrying craze has spread to Southeast Asia, Hongkong and Taiwan Province. Now, with the development of economy and the prosperity of art market, bloodstone has become a hot spot in the collection field, which has great appreciation space and collection value.