| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 959.57 | USD | 20251106 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 959.57 | USD | 20251106 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 959.57 | USD | 20251106 |
| China national standards | MT | 938.4 | USD | 20251106 | |
| Nanjing Waien Chemical Technology Co., Ltd. | China national standards | MT | 938.4 | USD | 20251106 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1001.4 | USD | 20251105 |
| Yangmei Taihua Coking Investment Co., Ltd. | China national standards | MT | 987.29 | USD | 20251105 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 987.29 | USD | 20251105 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 959.08 | USD | 20251105 |
| Nanjing Waien Chemical Technology Co., Ltd. | China national standards | MT | 944.98 | USD | 20251105 |