| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1128.06 | USD | 20251023 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1128.06 | USD | 20251023 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1127.49 | USD | 20251022 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1127.19 | USD | 20251020 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1127.57 | USD | 20251019 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1126.43 | USD | 20251014 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1126.43 | USD | 20251014 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1126.0 | USD | 20251011 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1125.14 | USD | 20251009 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1125.89 | USD | 20250930 |