| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1567.89 | USD | 20251126 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1186.51 | USD | 20251126 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1172.38 | USD | 20251126 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1175.21 | USD | 20251126 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1596.14 | USD | 20251126 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1175.21 | USD | 20251126 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1567.89 | USD | 20251126 |
| Dongying Hebang Chemical Co., Ltd. | China national standards | MT | 1355.43 | USD | 20251125 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1313.08 | USD | 20251125 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1623.7 | USD | 20251125 |