| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 911.36 | USD | 20251209 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 932.56 | USD | 20251209 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 974.95 | USD | 20251209 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1201.02 | USD | 20251209 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 918.43 | USD | 20251209 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1130.37 | USD | 20251209 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 890.17 | USD | 20251209 |
| Zibo Dehe Chemical Co., Ltd. | China national standards | MT | 946.69 | USD | 20251209 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1130.37 | USD | 20251209 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 932.56 | USD | 20251209 |