Jan 30 (Reuters) - Guangzhou Echom Sci & Tech Co Ltd :
* SAYS IT EXPECTS TO SWING TO NET LOSS OF 370-470 MILLION YUAN IN 2017 VERSUS PROFIT OF 19.2 MILLION YUAN ($3.03 million) YEAR AGO Source text in Chinese: bit.ly/2DOdFai Further company coverage: ($1 = 6.3300 Chinese yuan renminbi) (Reporting by Hong Kong newsroom)