| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 930.52 | USD | 20251024 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 888.22 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 986.92 | USD | 20251024 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 986.92 | USD | 20251024 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 930.65 | USD | 20251023 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1015.26 | USD | 20251023 |