| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1789.41 | USD | 20251020 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1761.83 | USD | 20251019 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1578.6 | USD | 20251019 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1606.79 | USD | 20251018 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1268.52 | USD | 20251018 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1606.79 | USD | 20251018 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 986.62 | USD | 20251018 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1353.08 | USD | 20251018 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1353.08 | USD | 20251018 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1310.8 | USD | 20251018 |