"Cang Bao Jin" originates from the national intangible cultural heritage protection list for the craftsmanship of "Gold and Silver Filigree" and represents the top-tier, collectible, and high-end products of Lao Feng Xiang in precious metals. It includes Lao Feng Xiang artworks crafted with traditional filigree techniques, as well as various jewelry, vessels, cloisonne enamel, and hand-woven gold thread products meticulously created by combining traditional handcraft with modern techniques. Through continuous inheritance and innovation, these pieces integrate new processes and technologies while showcasing exceptional craftsmanship. Over time, they have gained recognition both domestically and internationally, embodying the essence of Chinese cultural heritage and traditional craft mastery. Lao Feng Xiang's "Cang Bao Jin" collection holds significant aesthetic appreciation value and collectible heritage significance.