Brand： All  FENGRUI POWER  Hebei Liben Pipeline Co., Ltd.  Hebei Litaishiji Pipeline Equipment Co., Ltd.  Hebei Xinkuo Pipeline Manufacturing Co., Ltd.  Hebei Longye Pipeline Manufacturing Group Co., Ltd.  Cangzhou Ruixin Pipe Fittings Co., Ltd.  Yanshan Shisheng Pipe Anticorrosion Co., Ltd.  Cangzhou Yinghang Pipeline Equipment Manufacturing Co., Ltd.  Cang Ding Machinery Technology Co., Ltd.  Datong Flange  Industrial International  Hebei Haihao High Pressure Flange Fittings Group  Cangzhou Changhai Pipeline Co.,Ltd  Hebei Bojin Pipeline Manufacturing Co., Ltd.  Hebei Jutiande Pipeline Manufacturing Co., Ltd.  Yanshan County Wenyong Pipe Fittings Manufacturing Co., Ltd.  Cangzhou Yongwang Pipeline Manufacturing Co., Ltd.  Cangzhou Yongxin Foundry Co., Ltd.  Cangzhou KuoDa Pipeline Co. Ltd,  Cangzhou Dongsheng Pipeline Equipment Manufacturing Co., Ltd  Hebei Shengxiong Pipe Fitting Co., Ltd.  Cangzhou Chengde Pipeline Manufacturing Co., Ltd.  Qingdao Laoshan Pipe Technology Co., Ltd.  Hebei Longsheng Pipeline Equipment Co., Ltd.  Hebei Hangbo Pipeline Equipment Co., Ltd.  Guohua Heavy Industry Co., Ltd.  Cangzhou Jierzi Metal Products Co., Ltd.  Henan Liangzhong Pipe Industry Co., Ltd.  Zhangzhou Yongtai Pipe Manufacturing Co., Ltd.  Cangzhou Runsong Trading Co., Ltd.  Cangzhou Ao Sen Dike Pipe Fitting Manufacturing Co., Ltd.  Hebei Haiyuan Pipe Fitting Co., Ltd.  Hebei Yuhao Pipe Fitting Co., Ltd.  Cangzhou Maohua Pipe Fitting Co., Ltd.  Hebei Zhongbao Valve & Pipe Fitting Manufacturing Co., Ltd.  Yanshan Kaida Pipe Fittings Factory  Hebei Bohai Group Zhaobo Equipment Co., Ltd.  Changzhou Chengshengda Pipeline Equipment Co., Ltd. Cangzhou Juntong Hardware Products Co., Ltd.  Cangzhou Haoguang Pipeline Manufacturing Co., Ltd.  Hebei Yishengze Pipeline Equipment Co., Ltd.  Cangzhou Xinyoucheng Co., Ltd.  Hebei Tianlong Pipeline Equipment Co., Ltd.  Gongyi City Qihang Pipeline Equipment Co., Ltd.  Hebei Houdong Pipeline Equipment Co., Ltd.  Hebei Shuangou Pipeline Manufacturing Co., Ltd.  Wuhan Qianchui Bailian Pipeline Equipment Co., Ltd.  Wudi Changsheng Casting Industry Co., Ltd.  Liaocheng Haiyuan Machinery Parts Co., Ltd.  Shandong Changshengyuan Metal Material Co., Ltd.  Liaocheng Development Zone Guangda metal products Co., Ltd  Dongtai Daruisheng Stainless Steel Products Co., Ltd.  Dingxiang County Hongli Flange Forging Co., Ltd.  Hebei Zhengbo Wenlin Pipeline Co., Ltd.  Cangzhou Jinuo Pipeline Equipment Manufacturing Co., Ltd.  Hebei Longsheng Pipeline Equipment Co., Ltd.  Cangzhou Weiya Pipe Manufacturing Co., Ltd.  Hebei Guanghao Pipe Fitting Co., Ltd.  Hebei Ruiyang pipeline Manufacturing Co., Ltd  Cangzhou Jihong pipeline equipment Co., Ltd  Hebei Juyun Machinery Equipment Manufacturing Co., Ltd  Cangzhou Yuda Pump Pipe Co., Ltd  Hebei Jinbaili pipeline equipment manufacturing Co., Ltd  Jiangsu Qidi Mechanical and Electrical Equipment Installatio  Hebei XINRUIDE pipeline equipment Co., Ltd