| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 784.86 | USD | 20250813 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 812.89 | USD | 20250813 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 784.86 | USD | 20250813 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1051.16 | USD | 20250813 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1135.25 | USD | 20250813 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 981.08 | USD | 20250813 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 812.89 | USD | 20250813 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 882.13 | USD | 20250812 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 875.13 | USD | 20250812 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 784.12 | USD | 20250812 |