- Shanghai Shihang Copper Nickel Pipe Fittings Co., Ltd.
- Main business:
- Tianjin Zhongxinde International Trade Co., Ltd.
- Main business:
- Xuyi Titan And Material Co., Ltd.
- Main business:
- Nantong Industrial Products Co., Ltd.
- Main business:
- Shandong Sears Import & Export Co., Ltd.
- Main business:
- Anhui Huazhong Welding Material Manufacturing Co., Ltd.
- Main business:
- Shanghai Vast Link Industrial Co., Ltd.
- Main business:
- Shenzhen Suntory Copper Material Co., Ltd.
- Main business:
- Zhangjiagang Wolfs Technologies Co., Ltd.
- Main business:
- Jinhua Beiduo Import & Export Co., Ltd.
- Main business:
- COPTECH DOO BEOGRAD
- Main business:
- Jinzhou Renda Trading Co., Ltd.
- Main business:
- ARJE COPPER PRIVATE LIMITED
- Main business:
- Tianjin Yinyin International Trade Co., Ltd.
- Main business:
- IDASYOUTEN INC
- Main business:
- Tianjin Brilliant Import And Export Co., Ltd.
- Main business:
- Ningbo Wode Environmental Science & Technology Co., Ltd.
- Main business:
- Zhuhai Daegen Electronics Co., Ltd.
- Main business:
- Tianjin Taiyito Technology Co., Ltd.
- Main business:
- Guangzhou Paili Technology Co., Ltd.
- Main business: