| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1128.59 | USD | 20251104 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1156.8 | USD | 20251104 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1156.88 | USD | 20251102 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1156.88 | USD | 20251102 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1128.67 | USD | 20251102 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1128.67 | USD | 20251102 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1157.49 | USD | 20251029 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1157.49 | USD | 20251029 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1129.26 | USD | 20251029 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1129.05 | USD | 20251028 |