Seamless Green China (Holdings) Ltd is a manufacturer of synthetic sapphire watch crystals and optoelectronic products. The company's operations are organized into four operating segments namely LED; Optoelectronic; Liquor and Sapphire. It generates maximum revenue from the LED segment. The LED and related products segment is engaged in the manufacturing and trading of LED and related products. Geographically, it derives a majority of revenue from China and also has a presence in Hong Kong and Macau.