| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 1268.89 | USD | 20251025 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1071.51 | USD | 20251024 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1409.88 | USD | 20251024 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1254.79 | USD | 20251024 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1085.61 | USD | 20251024 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1085.61 | USD | 20251024 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1043.31 | USD | 20251024 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1550.87 | USD | 20251024 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 1043.31 | USD | 20251024 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1085.76 | USD | 20251023 |