Macstone Technologies Co., Ltd. is an investment and registered enterprise of Singapore Group Corporation. It has been established for ten years. It has a dedicated design team in Singapore responsible for product design, products production and sales are in China. The group owns multiple brands, such as Viva, Uniq, Luna Aristo, Potikal Lab and the brand Santa Barbara Polo & Racquet Club, which are licensed for production and sales from the United States.