| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 984.5 | USD | 20251009 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 984.5 | USD | 20251009 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 942.31 | USD | 20251009 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1054.82 | USD | 20251009 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1026.69 | USD | 20251009 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1265.79 | USD | 20251009 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1139.21 | USD | 20251009 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1139.21 | USD | 20251009 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1139.21 | USD | 20251009 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1139.21 | USD | 20251009 |