- Luoyang Guorun Pipe Co., Ltd
- Address:Luoyang airport road industrial park, Luoyang, Henan, China
- AnFu Plastic Machinery Factory
- Address:yangchong gas station side, dongguan, Guangdong, China
- SinoPower Industrial Group
- Address:Shanghai, Shanghai, China
- Jiangsu Baixiong Machinery Co., Ltd.
- Address:No.68 Baixiong Road, Zhangjiagang, Jiangsu, China
- HHebei Ji Engineering Ose Co
- Address:Hengshui, Hebei, China
- Qingdao Huataichang Metal Work Co., Ltd
- Address:Qingdao, Shandong, China
- Dingli Construcion Machinery Co., Ltd
- Address:Liaocheng, Shandong, China
- Bestar Steel Pipe
- Address:Changsha, Hunan, China
- Qingdao Haote Machinery Co., Ltd
- Address:Jiaozhoujiaozhouxilu129, Qingdao, Shandong, China
- Shijiazhuang Teneng Electrical And Mechanical E...
- Address:Shijiazhuang, Hebei, China
- Taiyuan Huaye Equipment Research Institute Co.,...
- Address:B-13F, Liyangshangcheng,Xiyangshi Street, Taiyuan, China, Taiyuan, Shanxi, China
- Kingmetal Steel Industry
- Address:Guangzhou, Guangdong, China
- Shijiazhuang
- Address:Shijiazhuang, Hebei, China
- Hebei Qianshen Steelpupe Co.ltd
- Address:Cangzhou, Hebei, China
- Shanghai Sheng Di An Machinery Co., LTD.
- Address:No.998 Huazhi Rd., Shanghai, Shanghai, China
- Qingdao Yifeng Plastic Machinery Co., Ltd
- Address:Zhongyun industrial park, Qingdao, Shandong, China
- Jeawin Steel Pipe Industry Co., Ltd.
- Address:South Korea
- Zhongyun Science&Research Co., Ltd
- Address:No.777 Dongfang Road, Weifang, Shandong, China
- Feiyun Machinery
- Address:zhangjiagang, Jiangsu, China
- Zhangjiagang Second Light Industry *****
- Address:sanxing, Suzhou, Jiangsu, China