| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1086.71 | USD | 20251110 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1256.07 | USD | 20251110 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 1270.54 | USD | 20251108 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1087.02 | USD | 20251108 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1256.42 | USD | 20251108 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 1058.78 | USD | 20251107 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 1270.54 | USD | 20251107 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1087.02 | USD | 20251107 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1552.88 | USD | 20251107 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1087.02 | USD | 20251107 |