| Vendor | Spec | Unit | Price | Currency | Date |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1620.33 | USD | 20251020 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 986.29 | USD | 20251020 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1197.64 | USD | 20251020 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1268.09 | USD | 20251020 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1141.28 | USD | 20251020 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1141.28 | USD | 20251020 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1042.65 | USD | 20251020 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1141.28 | USD | 20251020 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1141.28 | USD | 20251020 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1141.28 | USD | 20251020 |