| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1946.93 | USD | 20251027 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1635.69 | USD | 20251023 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1945.91 | USD | 20251023 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1634.86 | USD | 20251022 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1944.92 | USD | 20251022 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1634.42 | USD | 20251020 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1944.4 | USD | 20251020 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1945.06 | USD | 20251017 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1634.98 | USD | 20251017 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1634.54 | USD | 20251016 |