Frozen Chinese Cabbage are frozen soon after Chinese Cabbage have been harvested ,cleaned ,peeled and cutted. 2. To import frozen Chinese Cabbage from Xiamen Sinocharm, you are guaranteed to have purchased good quality product. 3. Xiamen Sinocharm is one of the largest manufacturers of Chinese Cabbage products in South China, our factory have HACCP, BRC, Kosher, Organic, SEDEX, IFS certificates.