... widely used in the oil refinery,chemical plant,nuchear power,shipbuilding,paper,food and other industries 1) Name ... cover to environment management systems of Zhangjiagang Huari Flange Co., Ltd. It is situated Jinfeng Town, Zhangjiagang City, Jiangsu ... /3 Heat treatment sub-contracted to Zhangjiagang Chenchuang Mechanical Technology Co., Ltd. of Yongli Village, Lieyu Town, Zhangjiagang City, Jiangsu ...