| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Zhongsheng Chemical Co., Ltd. | China national standards | MT | 1269.73 | USD | 20251027 |
| Zibo Zhongsheng Chemical Co., Ltd. | China national standards | MT | 1410.82 | USD | 20251027 |
| Zibo Zhongsheng Chemical Co., Ltd. | China national standards | MT | 972.82 | USD | 20251024 |
| Zibo Zhongsheng Chemical Co., Ltd. | China national standards | MT | 1409.88 | USD | 20251024 |
| Zibo Zhongsheng Chemical Co., Ltd. | China national standards | MT | 1409.36 | USD | 20251022 |
| Zibo Zhongsheng Chemical Co., Ltd. | China national standards | MT | 1338.9 | USD | 20251022 |
| Zibo Zhongsheng Chemical Co., Ltd. | China national standards | MT | 972.46 | USD | 20251022 |
| Zibo Zhongsheng Chemical Co., Ltd. | China national standards | MT | 1338.54 | USD | 20251020 |
| Zibo Zhongsheng Chemical Co., Ltd. | China national standards | MT | 1408.99 | USD | 20251020 |
| Zibo Zhongsheng Chemical Co., Ltd. | China national standards | MT | 972.2 | USD | 20251020 |