| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1199.46 | USD | 20251113 |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1200.01 | USD | 20251112 |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1199.45 | USD | 20251111 |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1199.45 | USD | 20251111 |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1199.62 | USD | 20251110 |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1199.95 | USD | 20251107 |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1199.95 | USD | 20251107 |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1199.46 | USD | 20251106 |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1198.85 | USD | 20251105 |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1199.13 | USD | 20251104 |