| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1097.28 | USD | 20250918 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 1097.28 | USD | 20250918 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1097.28 | USD | 20250918 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 1083.21 | USD | 20250918 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1097.28 | USD | 20250918 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1083.21 | USD | 20250918 |
| Shandong Tongzhou Chemical Co., Ltd. | China national standards | MT | 1406.77 | USD | 20250918 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1097.28 | USD | 20250918 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1253.04 | USD | 20250916 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1252.53 | USD | 20250915 |