| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 928.75 | USD | 20250828 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 928.75 | USD | 20250828 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1097.62 | USD | 20250828 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1111.69 | USD | 20250828 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1111.69 | USD | 20250828 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1104.65 | USD | 20250828 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1125.76 | USD | 20250828 |
| Jiangsu Xiaomi Chemical Trading Co., Ltd. | China national standards | MT | 959.1 | USD | 20250827 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 956.29 | USD | 20250827 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 942.23 | USD | 20250827 |