... . Because of unhealthy eating habits, and cooking methods, it is is far from enough to get essential vitamin from food.Quality ... for you!Established in 1993,Guangzhou ShengJian Biotechnology Co.,Ltd is an high-tech enterprise engaged in the research, production and sale ... health care and beauty productsGuangzhou ShengJian has production facilities covering an area of 16,000 square meters, with a total ...