| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 932.88 | USD | 20251205 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1272.1 | USD | 20251205 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 890.47 | USD | 20251205 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 890.47 | USD | 20251205 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1102.49 | USD | 20251205 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 932.88 | USD | 20251205 |
| Guanjiuzhou (Shandong) Energy Technology Co., Ltd. | China national standards | MT | 961.14 | USD | 20251205 |
| China national standards | MT | 1032.05 | USD | 20251204 | |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 933.09 | USD | 20251204 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 933.09 | USD | 20251204 |