| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1129.69 | USD | 20251117 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1129.69 | USD | 20251117 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1157.93 | USD | 20251117 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1129.54 | USD | 20251114 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1157.78 | USD | 20251114 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1157.13 | USD | 20251113 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1128.91 | USD | 20251113 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1128.89 | USD | 20251111 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1128.89 | USD | 20251111 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1157.11 | USD | 20251111 |