| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1268.86 | USD | 20251021 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 874.1 | USD | 20251021 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 888.2 | USD | 20251021 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 888.2 | USD | 20251021 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 888.2 | USD | 20251021 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1099.68 | USD | 20251021 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 1127.19 | USD | 20251020 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 1268.09 | USD | 20251020 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 1099.01 | USD | 20251020 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1127.19 | USD | 20251020 |