Shenzhen O-film Tech sees Q1 net profit up 50-60 pct y/y

March 27 (Reuters) - Shenzhen O-film Tech Co Ltd * Says it expects Q1 net profit to rise 50-60 percent y/y from 124.7 million yuan ($18.14 million) a year ago Source text in Chinese: http://bit.ly/2o7m0dJ Further company coverage: ($1 = 6.8729 Chinese yuan renminbi) (Reporting by Hong Kong newsroom)