| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 942.9 | USD | 20250925 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 703.66 | USD | 20250925 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 851.43 | USD | 20250925 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 802.17 | USD | 20250925 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 703.66 | USD | 20250925 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 851.43 | USD | 20250925 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 942.9 | USD | 20250925 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 985.12 | USD | 20250925 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 802.17 | USD | 20250925 |
| Ningbo Zhetie Jiangning Chemical Co., Ltd. | China national standards | MT | 788.1 | USD | 20250925 |