March 29 (Reuters) - Guotai Junan Securities Co Ltd :
* SAYS IT PLANS TO ISSUE UP TO 30 BILLION YUAN ($4.77 billion) DOMESTIC AND OFFSHORE BONDS
* SAYS 2017 NET PROFIT UP 0.4 PERCENT Y/Y Source text in Chinese: bit.ly/2pQ8z3v; bit.ly/2GmfHf5 Further company coverage: ($1 = 6.2875 Chinese yuan renminbi) (Reporting by Hong Kong newsroom)