| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1055.52 | USD | 20251008 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 942.93 | USD | 20251008 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 985.15 | USD | 20251008 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1013.3 | USD | 20251008 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251008 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251008 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251008 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251008 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251008 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1013.3 | USD | 20251008 |