| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1142.78 | USD | 20251031 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1142.78 | USD | 20251031 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1269.75 | USD | 20251031 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 987.58 | USD | 20251031 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1058.13 | USD | 20251031 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1142.78 | USD | 20251031 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1269.75 | USD | 20251031 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1142.78 | USD | 20251031 |
| Befar Group Co., Ltd. | China national standards | MT | 1093.4 | USD | 20251031 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 987.58 | USD | 20251031 |