| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1256.62 | USD | 20251114 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1016.59 | USD | 20251114 |
| Shandong Tongzhou Chemical Co., Ltd. | China national standards | MT | 1411.93 | USD | 20251114 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 1270.74 | USD | 20251114 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1087.19 | USD | 20251114 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1016.59 | USD | 20251114 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1553.12 | USD | 20251114 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1016.59 | USD | 20251114 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1016.59 | USD | 20251114 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 1016.59 | USD | 20251114 |