- Hebei Runhong Pipeline Limited Company
- Address:yanshan industries zone,cangzhou city,hebei province,China, Cangzhou, Hebei, China
- Chinadrip Irrigation Equipment Co. Ltd
- Address:1/F, No. 101, Siming Park, Tong'an Industrial Center Zone, Tong'an Dist., Xiamen, Fujian, , Xiamen, Fujian, China
- Hebei Shengsenyuan Pipe Industries CO., LTD
- Address:Mengcun, Cangzhou, Hebei, China
- Miaoyi Plumbing Co., Ltd.
- Address:Diankou, Zhuji, Zhejiang, China
- Yuhuanlongchuan Pipe
- Address:chumen industiral, taizhou, Zhejiang, China
- Jinhua Jieneng Plastic Indutry CO., Ltd
- Address:binhong road, Jinhua, Zhejiang, China
- Taizhou Gaowei Machinery Co., Ltd
- Address:Yuhuan, Taizhou, Zhejiang, China
- Hebei Wantuo Pipe Manufacturing Co., Ltd.
- Address:Yanta Road,Yanshan Couuty, Cangzhou, Hebei, China
- Hengshui Jiali Hydraulic Equipment *****
- Address:Hengde Road, Hengshui, Hebei, China