| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 966.45 | USD | 20250804 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 980.46 | USD | 20250804 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 980.46 | USD | 20250804 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 952.45 | USD | 20250804 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1176.55 | USD | 20250804 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1176.55 | USD | 20250804 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.46 | USD | 20250804 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 966.45 | USD | 20250804 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.46 | USD | 20250804 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.46 | USD | 20250804 |