| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.08 | USD | 20251019 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 535.6 | USD | 20251019 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.08 | USD | 20251019 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.08 | USD | 20251018 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.08 | USD | 20251018 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 535.6 | USD | 20251018 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 535.6 | USD | 20251017 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.08 | USD | 20251017 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.08 | USD | 20251017 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 457.95 | USD | 20251016 |