| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 464.59 | USD | 20250830 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 450.51 | USD | 20250830 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 450.51 | USD | 20250830 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1041.81 | USD | 20250830 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 478.67 | USD | 20250829 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 422.36 | USD | 20250829 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 633.54 | USD | 20250829 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 633.54 | USD | 20250829 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 401.24 | USD | 20250829 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 405.46 | USD | 20250829 |