| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 775.41 | USD | 20251021 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 845.9 | USD | 20251021 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 874.1 | USD | 20251021 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1099.68 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 927.68 | USD | 20251021 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 944.59 | USD | 20251021 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 845.9 | USD | 20251021 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 902.3 | USD | 20251021 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 761.31 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 902.3 | USD | 20251021 |