... : FF, RF, LJ, TG, FM, and R.T.J. Etc6) other: Special design available LWN stainless steel flange Verified ... flange 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 ...