| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 914.78 | USD | 20250930 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 914.78 | USD | 20250930 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 900.71 | USD | 20250930 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 900.71 | USD | 20250930 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 886.64 | USD | 20250930 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1097.74 | USD | 20250930 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1674.76 | USD | 20250930 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1125.35 | USD | 20250929 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1125.35 | USD | 20250929 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1125.35 | USD | 20250929 |