| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 928.24 | USD | 20251009 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 942.31 | USD | 20251009 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 921.21 | USD | 20251009 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1006.26 | USD | 20251008 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1006.26 | USD | 20251008 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 752.94 | USD | 20251008 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1097.74 | USD | 20251008 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 759.97 | USD | 20251008 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 759.97 | USD | 20251008 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.97 | USD | 20251008 |