| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1093.4 | USD | 20250814 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 981.26 | USD | 20250814 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 911.17 | USD | 20250814 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1051.35 | USD | 20250814 |
| Jiangsu Xiaomi Chemical Trading Co., Ltd. | China national standards | MT | 939.03 | USD | 20250813 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 1058.16 | USD | 20250813 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 911.0 | USD | 20250813 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 939.03 | USD | 20250813 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 882.97 | USD | 20250813 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1051.16 | USD | 20250813 |