| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1131.77 | USD | 20251211 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1160.06 | USD | 20251211 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1158.63 | USD | 20251209 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1158.63 | USD | 20251209 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1130.37 | USD | 20251209 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1130.76 | USD | 20251205 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1159.03 | USD | 20251205 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1130.68 | USD | 20251203 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1158.95 | USD | 20251203 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1158.86 | USD | 20251201 |