| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 983.68 | USD | 20250825 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 983.68 | USD | 20250825 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1025.84 | USD | 20250825 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1068.0 | USD | 20250825 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 997.74 | USD | 20250825 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1275.92 | USD | 20250823 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1247.88 | USD | 20250823 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1093.65 | USD | 20250823 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1093.65 | USD | 20250823 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1037.56 | USD | 20250823 |