BRIEF-Hengtong Optic-electric to invest 2 bln yuan in big data project in Suzhou

March 23 (Reuters) - Hengtong Optic-electric Co Ltd * Says it plans to invest 2.0 billion yuan ($290.41 million) in big data project in Suzhou Source text in Chinese: http://bit.ly/2nFz38E Further company coverage: ($1 = 6.8868 Chinese yuan renminbi) (Reporting by Hong Kong newsroom)