... environment management systems of Zhangjiagang Huari Flange Co., Ltd. It is situated Jinfeng Town, Zhangjiagang City, Jiangsu Province, China 2012/01/31 --- 2015 ... sub-contracted to Zhangjiagang Chenchuang Mechanical Technology Co., Ltd. of Yongli Village, Lieyu Town, Zhangjiagang City, Jiangsu Province, China 2011/08/16 --- 2014 ...