April 11 (Reuters) - Tianshui Zhongxing Bio-technology Co Ltd:
* SAYS IT SIGNS INVESTMENT CONTRACT ON PRODUCTION AND PROCESSING PROJECT WITH TOTAL INVESTMENT AT 1.0 BILLION YUAN ($159.12 million) Source text in Chinese: bit.ly/2qmBBbV Further company coverage: ($1 = 6.2847 Chinese yuan renminbi) (Reporting by Hong Kong newsroom)