| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 869.27 | USD | 20251205 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 890.47 | USD | 20251205 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1272.1 | USD | 20251205 |
| China national standards | MT | 1017.68 | USD | 20251205 | |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 869.27 | USD | 20251205 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 876.34 | USD | 20251205 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1314.51 | USD | 20251205 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 989.41 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 897.54 | USD | 20251205 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 890.47 | USD | 20251205 |