The Jade Truth of Yan Xi Jewelry. According to relevant information, Jiangsu Yan Xi Jade Company is a professional jade company. Yan Xi Jewelry was established in 2003, and has been tested by the market for many years. It tells the oriental myth of low-key but luxurious jade jewelry. Yan Xi Jewelry carefully selects high-quality raw materials, which meet international safety standards from procurement to processing, providing customers with high-quality products, formal channels and quality assurance.