| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 882.58 | USD | 20250808 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 875.57 | USD | 20250808 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 812.53 | USD | 20250808 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1093.28 | USD | 20250807 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 784.92 | USD | 20250807 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 883.03 | USD | 20250807 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 876.02 | USD | 20250807 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 812.95 | USD | 20250807 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 981.15 | USD | 20250807 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1135.33 | USD | 20250807 |