| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng New Materials Co., Ltd. | 90% | MT | 395.77 | USD | 20251207 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 339.23 | USD | 20251207 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 424.03 | USD | 20251207 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 424.03 | USD | 20251206 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 452.3 | USD | 20251206 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 353.36 | USD | 20251206 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 325.09 | USD | 20251206 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 395.77 | USD | 20251206 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.03 | USD | 20251206 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.03 | USD | 20251206 |