| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1199.43 | USD | 20251103 |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1199.43 | USD | 20251103 |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1199.21 | USD | 20251101 |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1199.21 | USD | 20251031 |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1199.48 | USD | 20251030 |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1198.57 | USD | 20251023 |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1197.96 | USD | 20251022 |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1197.64 | USD | 20251020 |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1198.04 | USD | 20251018 |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1197.27 | USD | 20251015 |