China Railway Group Ltd has a revenue of $ 102.32bn . The company mainly deals with infrastructure construction but is also engaged in survey , design , consulting , manufacturing equipment and real estate development . Changjin has been serving as Chairman of the Board and Executive Director in China Railway Group Limited since 2010 and also serves as Chairman of the Board and General Manager in its shareholder company . Changjin holds a Master ’ s degree from Southwest Jiaotong University , China . www . crecg . com

62 April 2018