| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 929.22 | USD | 20250916 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 929.22 | USD | 20250916 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 957.38 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 985.54 | USD | 20250916 |
| Jiangsu Xiaomi Chemical Trading Co., Ltd. | China national standards | MT | 975.69 | USD | 20250916 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 999.62 | USD | 20250916 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 915.14 | USD | 20250916 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1055.94 | USD | 20250916 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 985.54 | USD | 20250916 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1098.17 | USD | 20250916 |