| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 784.76 | USD | 20250819 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 980.96 | USD | 20250819 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1051.02 | USD | 20250819 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1135.11 | USD | 20250819 |
| Jiangsu Jurong Chemical Co., Ltd. | China national standards | MT | 911.36 | USD | 20250818 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 785.17 | USD | 20250818 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 841.26 | USD | 20250818 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 785.17 | USD | 20250818 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 813.21 | USD | 20250818 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1135.69 | USD | 20250818 |