| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 890.35 | USD | 20251201 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1130.6 | USD | 20251201 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 890.35 | USD | 20251201 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 932.74 | USD | 20251201 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1130.6 | USD | 20251201 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1102.33 | USD | 20251201 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1102.33 | USD | 20251201 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1130.6 | USD | 20251201 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1130.6 | USD | 20251201 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1102.33 | USD | 20251201 |