March 19 (Reuters) - Shenzhen Kaifa Technology Co Ltd :
* SAYS PRELIM 2017 NET PROFIT UP 152.5 PERCENT Y/Y AT 541.3 MILLION YUAN ($85.49 million) Source text in Chinese: bit.ly/2GFgNDr Further company coverage: ($1 = 6.3321 Chinese yuan renminbi) (Reporting by Hong Kong newsroom)