| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 928.4 | USD | 20251121 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 761.9 | USD | 20251121 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 874.78 | USD | 20251121 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 761.9 | USD | 20251121 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 761.9 | USD | 20251121 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 761.9 | USD | 20251121 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 761.9 | USD | 20251121 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 874.78 | USD | 20251121 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 903.0 | USD | 20251121 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 790.12 | USD | 20251121 |