| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1038.06 | USD | 20250821 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 980.61 | USD | 20250820 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 994.62 | USD | 20250820 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1064.66 | USD | 20250820 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1036.65 | USD | 20250820 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1071.67 | USD | 20250820 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1092.68 | USD | 20250820 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1274.8 | USD | 20250820 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1099.69 | USD | 20250820 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1050.66 | USD | 20250820 |