Concubine is a private group company that specializes in the development, development, production and marketing of high-technology multi-purpose "health bedroom" products. Founded in 1999, by mr. Li kwon and mr. Ouyang zhong, founded in guangzhou. Companies have established marketing channels throughout the country to sell their own health products, mainly in the form of chains of alliances. There are currently more than 3,000 authorized stores and service centres throughout the country. Based on its unique high-tech content, internationalized regulatory regulation and 80 per cent market occupancy. In 12 years, the concubine group has received numerous honours: a dedicated sleep system for antarctic teams; specialized beds provided by the head of the chinese people's liberation army; anti-age products; recommended products for the world's piety culture; and professional honours. The company has adopted iso9001 international quality system (iqs) certification; eu ce certification; is...