Leysen Jewellery Inc., together with its subsidiaries, engages in the retail of jewelry products in China. The company is involved in the design, development, brand operation, and management of gold, diamonds, gemstones, pearls, jade, burgundy, and other jewelry and leather goods products. It also engages in investment activities. The company sells its products through directly operated stores, special sales outlets, franchise stores, and online. The company was formerly known as Tesiro Jewelry Inc. and changed its name to Leysen Jewellery Inc. in August 2017. Leysen Jewellery Inc. was founded in 1999 and is headquartered in Nanjing, China.