| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1055.07 | USD | 20250918 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1252.02 | USD | 20250918 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1125.41 | USD | 20250918 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1125.41 | USD | 20250918 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1253.04 | USD | 20250916 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1098.17 | USD | 20250916 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1098.17 | USD | 20250916 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1077.06 | USD | 20250916 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1041.86 | USD | 20250916 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1070.02 | USD | 20250916 |