| Vendor | Spec | Unit | Price | Currency | Date |
| China national standards | MT | 942.48 | USD | 20250929 | |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1195.68 | USD | 20250929 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1195.68 | USD | 20250929 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1223.82 | USD | 20250929 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1209.75 | USD | 20250929 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1040.95 | USD | 20250929 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 998.75 | USD | 20250929 |
| Yangmei Taihua Coking Investment Co., Ltd. | China national standards | MT | 984.68 | USD | 20250929 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 998.75 | USD | 20250929 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1019.85 | USD | 20250929 |