| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 459.11 | USD | 20251128 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 459.11 | USD | 20251128 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 536.81 | USD | 20251128 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 536.88 | USD | 20251127 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 459.18 | USD | 20251127 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 459.18 | USD | 20251127 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 536.75 | USD | 20251126 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 459.07 | USD | 20251126 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 459.07 | USD | 20251126 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 536.53 | USD | 20251125 |