BRIEF-Jiangsu Zhongnan Construction's 2015 net profit down, but Q1 profit up

April 29 (Reuters) - Jiangsu Zhongnan Construction Group Co Ltd * Says 2015 net profit down 63.4 percent y/y at 351.3 million yuan ($54.18 million) * Says Q1 net profit up 7.3 percent y/y at 148.8 million yuan Source text in Chinese: http://bit.ly/23cdyGp; http://bit.ly/1rmMPuU Further company coverage: ($1 = 6.4836 Chinese yuan renminbi) (Reporting by Hong Kong newsroom)