- Zhangqiu Yu Bin Petrochemical Fittings F
- Address:Jinan, Shandong, China
- Jinan Shuangke Forging Machinery Co., Ltd
- Address:China
- Chewit International Commerce Co., Ltd
- Address:15,ShuangShan Road. JinGang Town, ZhangJiaGang, Jiangsu, China
- Hebei Longsheng Metals
- Address:448 West Heping Road,Shijiazhuang, Hebei Province ,China 050071, Shijiazhuang, Hebei, China
- Zhang Qiu City Kaixiang Manufacturing Co., Ltd
- Address:Mingshui Town District Office, Jinan, Shandong, China
- Wuxi Sunnyhome Metal Products Co. Ltd
- Address:New District First Shanghai Plaza, Wuxi, Jiangsu, China
- Hebei Shengtian Pipe Fitting Group Co.,
- Address:Cangzhou, Hebei, China
- Northsteel Pipe Co., Ltd.
- Address:yanshan, Cangzhou, Hebei, China
- Wuxi Minmetal Steel
- Address:RD.17, Wuxi, Jiangsu, China
- Tianjin All Best
- Address:China
- Hennan Supioneer Metal Material Co., Ltd
- Address:Zhengzhou, Henan, China
- Liaocheng Huaxiang Machinery Accessories Co., Ltd.
- Address:Huaihe, Liaocheng, Shandong, China
- Wenzhoubaiyou Machineryco Ltd
- Address:fu kang xi lu no. 8, Wenzhou, Zhejiang, China
- DingXiang County Flange CO., LTD
- Address:Xinzhou , Shanxi, China
- JIiangyin Sanlin Machinery
- Address:No.33 Dongsheng Road, Jiangyin City, Jiangsu Province, China, Wuxi, Jiangsu, China
- Shijiazhuang Lanhu Welding Consumables Co., Ltd
- Address:Zhonghua, Shijiazhuang, Hebei, China
- Cangzhou Hengtong Pipe Fitting Co., Ltd
- Address:South Industrial Park, Yanshan County, Cangzhou, Hebei, China (Mainland), Cangzhou, Hebei, China
- Hong Kong Baizhaoyuan Casting Co., Ltd
- Address:hongkong mid road, Qingdao, Shandong, China
- Shanghai Zhucheng Stainless Steel Pipe Co., Ltd
- Address:3 F, Building 9, No. 4390, Hunan Road, Shanghai, Shanghai, China
- JiangYin SanLiu Michanical Co., Ltd
- Address:Wuxi, Jiangsu, China