中文
ENGLISH
| No. | Name |
| 1 | Shandong Jigang Alloy Material Technology Co., Ltd. |
| 2 | Xi'an Jiaotong Materials University |
| 3 | Shandong Cooper Bearing Technology Service Co., Ltd. |
| 4 | Nanjing nianda Furnace Technology Co., Ltd |
| 5 | Zhejiang YONGYA Copper Co., Ltd |
| 6 | Wuyi Zhengda Metal Products Co., Ltd |
| 7 | Jilin Xiangyuan Magnesium Technology Co., Ltd |
| 8 | Hanada steel pipe (Dalian) Co., Ltd |
| 9 | Zhenxiong Copper Group Co., Ltd |
| 10 | Luoyang Wanji metal sodium Co., Ltd |
| 11 | Xi'an aviation brake technology Co., Ltd |
| 12 | Ningbo Qiyi Metal Co., Ltd |
| 13 | Fujian Quanzhou Jinzheng Machinery Co., Ltd |
| 14 | Wuxi green heat treatment Co., Ltd |
| 15 | Zhejiang Hange Technology Co., Ltd |
