| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1041.81 | USD | 20250829 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1295.23 | USD | 20250829 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1330.42 | USD | 20250829 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1196.68 | USD | 20250829 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 970.97 | USD | 20250828 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 970.97 | USD | 20250828 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1006.15 | USD | 20250828 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 985.04 | USD | 20250828 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 985.04 | USD | 20250828 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 985.04 | USD | 20250828 |