The manufacturer of Tibetan secret Camellia oleifera is Beijing Oshur Health Products Development Co., Ltd. After verification, Beijing Oshur Company is a well-known foreign-funded enterprise in Fangshan District, Beijing. It has been operating in Beijing for many years, and more than 600 laid-off workers have been re-employed and many disabled people have been employed. The annual tax payment exceeds 5 million yuan, and it has become the "Top Ten Foreign-invested Enterprises" in Fangshan District of Beijing for four consecutive years and won the title of "Annual Tax Contribution Award" in Fangshan District of Beijing for four consecutive years. And donated to build a "Besunyen Hope Primary School", and donated to Huaxia Charity Foundation and China Red Cross "Jinghua Angel Fund" to build a "Pok Oi Health Center".