BRIEF-Jiangsu Hongtu High Technology's 2016 net profit up 6 pct y/y

March 30 (Reuters) - Jiangsu Hongtu High Technology Co Ltd * Says 2016 net profit up 6.0 percent y/y at 446.9 million yuan ($64.88 million) Source text in Chinese: http://bit.ly/2nOUnZf Further company coverage: ($1 = 6.8880 Chinese yuan renminbi) (Reporting by Hong Kong newsroom)