| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 791.26 | USD | 20251209 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 706.48 | USD | 20251209 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 751.7 | USD | 20251209 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 751.7 | USD | 20251209 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 635.84 | USD | 20251209 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 748.87 | USD | 20251209 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 748.87 | USD | 20251209 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 748.87 | USD | 20251209 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 720.61 | USD | 20251209 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 763.0 | USD | 20251209 |