| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 787.74 | USD | 20250929 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 872.15 | USD | 20250929 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 772.99 | USD | 20250928 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 758.94 | USD | 20250928 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 758.94 | USD | 20250928 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 983.81 | USD | 20250928 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 983.81 | USD | 20250928 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 899.48 | USD | 20250928 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 899.48 | USD | 20250928 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1349.22 | USD | 20250928 |