| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1154.15 | USD | 20251011 |
| 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 | 1153.27 | USD | 20251009 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1154.04 | USD | 20250930 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1125.89 | USD | 20250930 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1124.35 | USD | 20250927 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1152.46 | USD | 20250927 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1124.35 | USD | 20250927 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1152.46 | USD | 20250927 |