| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1551.09 | USD | 20251023 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1071.66 | USD | 20251023 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 1269.07 | USD | 20251023 |
| Shandong Tongzhou Chemical Co., Ltd. | China national standards | MT | 1410.08 | USD | 20251023 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1085.76 | USD | 20251023 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1254.97 | USD | 20251023 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1085.76 | USD | 20251023 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 1142.16 | USD | 20251023 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1043.46 | USD | 20251023 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1043.46 | USD | 20251023 |