| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 959.44 | USD | 20251121 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 987.65 | USD | 20251121 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 987.65 | USD | 20251121 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 860.67 | USD | 20251121 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 959.44 | USD | 20251121 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 959.44 | USD | 20251121 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1100.53 | USD | 20251121 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 860.67 | USD | 20251121 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 846.56 | USD | 20251121 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 959.44 | USD | 20251121 |