- Cangzhou Yuanfang Steel Tube Co.,Ltd
- Address:Xinhua road,renfang builiding ,804 Cangzhou, Hebei
- NorthAST Steel Grou
- Address:NO.A1508 Free Tower, Jinsong Chaoyang District, Beijing, China. Beijing, Beijing
- BT Metal Product
- Address:Anping Hengshui, Hebei
- YuxingSteel
- Address:gui yuan road Tianjin, Tianji
- Yangzhou Lontrin Steel Tube Co.Ltd Sichuan Orient International
- Address:Jiangdu district Yangzhou, Jiangsu
- Rosco China Holdings Limted
- Address:Rm1412Ocean Shipping Plaza,Hebei District,Tianjin 300010, China Tianjin, Tianji
- Victall Perforated Tubing Co.
- Address:Xinkai Street, Dezhou, China Dezhou, Shandong
- Threeway?teel?o.,?td
- Address:Tianxin�pecial�istrict, Changsha�ity,China� Changsha, Huna
- Anhui Yingsheng Steel Pipe Manufacturing
- Address:Room1708,No.1198 Defu road,Jiading district,Shanghai,China Shanghai, Shanghai
- Gungdong Zonghai Steel Pipe Manufacturing Corporatio
- Address:Xiaobu Industry Area,Lecong Town Foshan, Guangdong
- Xinlianxi
- Address:haiyi Tianjin, Tianji
- Agico Grou
- Address:c-3 Haitianchengshi Squire, Wenfeng Road, Wenfeng District Anyang, Hena
- TianJin Hengji Steel Group Co.,Ltd
- Address:hongqinalu of nankai Tianjin, Tianji
- China HZZ Steel &Iron Grou
- Address:Jingsan Road Zhengzhou city ,Henan province, China Zhengzhou, Hena
- Cangzhou Qiancheng Seamless Steel Pipe
- Address:yan shan industrial zone Cangzhou, Hebei
- Guangzhou Esteelall Ecommerce Co., Ltd.
- Address:Qinghe Road, Shiji Town, Panyu, Guangzhou, Guangdong, P. R. China Guangzhou, Guangdong
- Liaoning Foo May Oilfield Serives Co.Ltd
- Address:o.262jia,shufu road,sunwah tech mansion 5th floor room 503 shenyang,liaoning China Shenyang, Liaoning
- Yantai Baoshang Steelpipe Co.,Ltd
- Address:NO.161 Changjiang road ETDZ Yantai, Shandong
- Sennixinrui Steel Group Co., Ltd
- Address:207# Guangyi Road Wuxi, Jiangsu
- Hebei Steel Pipe Industry Co Ltd
- Address:Fengze South Street, Luangcheng District, Shijiazhuang, Hebei