... . In April 2003, it established the Rizhao Jiejing Seaweed Product Co., Ltd. In May 2003, it established the Rizhao Jiejing Ocean ... Biotechnology Development Co., Ltd. In December 2003, mannitol, a primary product of the company, passed the State ... the Lianyungang Jiejing Ocean Biochemistry Co., Ltd. In September 2004, iodine, a primary product of the company, passed the State ...