| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1256.42 | USD | 20251107 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 1058.35 | USD | 20251106 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 1270.02 | USD | 20251106 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1552.25 | USD | 20251106 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1086.57 | USD | 20251106 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1086.57 | USD | 20251106 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1255.91 | USD | 20251106 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1551.46 | USD | 20251105 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1086.02 | USD | 20251105 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1086.02 | USD | 20251105 |