- Tianjin ZTTS Imp&Exp. Co.,Ltd
- Main business:
- East AsiaChina(Mainland)
- Tianjin Guitai Steel Pipes Sales Co.,Ltd.
- Main business:
- East AsiaChina(Mainland)
- Tianjin Jiayirong Import & Export Co.,Ltd.
- Main business:
- East AsiaChina(Mainland)
- Happy (Tianjin) Technology and Development Co. Ltd
- Main business:
- East AsiaChina(Mainland)
- Jinerjian (Tianjin) Valve Co., Ltd.
- Main business:
- East AsiaChina(Mainland)
- Tianjin Guohua Conghui Import & Export Co., Ltd
- Main business:
- East AsiaChina(Mainland)
- Tianjin Tianwang International Industry & Trading Co., Ltd
- Main business:
- East AsiaChina(Mainland)
- Tianjin Dalipu Oil Country Tubular Goods Co..Ltd
- Main business:
- East AsiaChina(Mainland)
- Tianjin Houdejunzheng Science & Technology Co., Ltd.
- Main business:
- East AsiaChina(Mainland)
- Tianjin Changda Metal Import and Export Co., Ltd
- Main business:
- East AsiaChina(Mainland)
- Tianjin Shengruncheng Sealing Material & Technology Co., Ltd
- Main business:
- East AsiaChina(Mainland)
- Tianjin Binhai Guanghao Pipe Fitting Co...Ltd
- Main business:
- East AsiaChina(Mainland)
- TIANJIN HENGXINDA IMP&EXP. CO., LTD
- Main business:
- East AsiaChina(Mainland)
- Tianjin Cezanne Sunshade Science and Technology CO., LTD
- Main business:
- East AsiaChina(Mainland)
- Zhonghaixintai (Tianjin) Chemical Co., Ltd.
- Main business:
- East AsiaChina(Mainland)
- TIANJIN OUYILONG IMPORT & EXPORT CO., LTD.
- Main business:
- East AsiaChina(Mainland)
- Shengshide (Tianjin) Chemical Co., Ltd.
- Main business:
- East AsiaChina(Mainland)
- Tianjin Jiuxiang Metal Wire Mesh Co., Ltd.
- Main business:
- East AsiaChina(Mainland)
- Tianjin City Juxing Weiye Steel Trade Co.,Ltd
- Main business:
- East AsiaChina(Mainland)
- Tianjin Yuanhai Fine Chemical Industry Co., Ltd.
- Main business:
- East AsiaChina(Mainland)