| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1043.28 | USD | 20251021 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1056.74 | USD | 20251020 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1056.74 | USD | 20251020 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 1268.09 | USD | 20251020 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1254.0 | USD | 20251020 |
| Shandong Tongzhou Chemical Co., Ltd. | China national standards | MT | 1408.99 | USD | 20251020 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1084.92 | USD | 20251020 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1549.89 | USD | 20251020 |
| Shanghai Juexin Industrial Development Co., Ltd. | China national standards | MT | 1268.09 | USD | 20251020 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1070.83 | USD | 20251020 |