| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1031.13 | USD | 20251126 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1017.01 | USD | 20251126 |
| Hunan Jinyu Fine Chemical Co., Ltd. | China national standards | MT | 1017.01 | USD | 20251126 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1257.13 | USD | 20251126 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1030.69 | USD | 20251125 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 1030.69 | USD | 20251125 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1030.69 | USD | 20251125 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1030.69 | USD | 20251125 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1256.6 | USD | 20251125 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1030.69 | USD | 20251125 |