... it established the Rizhao Jiejing Ocean Biotechnology Development Co., Ltd. In December 2003, mannitol, a primary product of ... technology, and established the Lianyungang Jiejing Ocean Biochemistry Co., Ltd. In September 2004, iodine, a primary product of ... , Shandong Jiejing Group Corporation has developed into a multi-enterprises group of ocean chemical, biochemical, pharmaceutical, foodstuff, health ...