| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1246.4 | USD | 20250918 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1170.43 | USD | 20250918 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1097.28 | USD | 20250918 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 970.67 | USD | 20250918 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 970.67 | USD | 20250918 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1041.01 | USD | 20250918 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1041.01 | USD | 20250918 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1041.01 | USD | 20250918 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1041.01 | USD | 20250918 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 914.4 | USD | 20250918 |