| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1069.56 | USD | 20250923 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 914.76 | USD | 20250923 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1246.89 | USD | 20250923 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1170.89 | USD | 20250923 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 914.76 | USD | 20250923 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 914.76 | USD | 20250923 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250923 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250923 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1097.71 | USD | 20250923 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 971.05 | USD | 20250923 |