... Certification. In September 2001, the Rizhao Jiejing Imports and Exports Co., Ltd. was established. In November 2001, it invested and ... , it established the Rizhao Jiejing Ocean Biotechnology Development Co., Ltd. In December 2003, mannitol, a primary product of the ... technology, and established the Lianyungang Jiejing Ocean Biochemistry Co., Ltd. In September 2004, iodine, a primary product of the ...