| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 886.64 | USD | 20251001 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1048.48 | USD | 20250930 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1048.48 | USD | 20250930 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1020.34 | USD | 20250930 |
| 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 |