Due to the influence of its own value, many people are using modern technology and the soil methods passed down by the older generation to imitate the ancient jade. The imitation of Gaogu jade is to use the jade material with very low value to shoddy it. They do not have any special high value, but they have been deceived by collectors after various means. The falsification of Gaogu jade is mainly caused by the following methods: dog blood method; smoking method; fire burning method; oil immersion method; sulfur washing method. The imitation of high ancient jade articles mainly consists of the following characteristics: 1: The production process is very rough (including materials, engraving and ochre), and the number of manufacturing is very rampant. 2: The imitation of the ancient jade is mostly based on the very rare type on the market. 3: The skin color of the imitation high ancient jade is made by artificial dyeing or old-fashioned, so this is also one of the main means of identifying high ancient jade. 4: The type of imitation of the ancient jade, the ornamentation and the majority of the articles are created by the imitations themselves. If you are familiar with the shape of the ancient jade, you can make a preliminary judgment on the ancient jade (for example: from the Warring States The structural layout of the jade to the Han is symmetrical for the central axis.). 5: The jade materials of the imitation high ancient jade are all shodded with jade material with poor texture. Nylon Bomber Jacket,Bomber Jacket Business Casual,The Bomber Jacket Definition,Nylon Garment Dyed Jacket Nanjing Tongde Garment Co., Ltd. , https://www.greenwearofficial.com