| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1037.55 | USD | 20250818 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1065.59 | USD | 20250818 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1023.53 | USD | 20250818 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1015.82 | USD | 20250817 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 994.8 | USD | 20250816 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 994.8 | USD | 20250816 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 980.79 | USD | 20250816 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 980.79 | USD | 20250816 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1036.84 | USD | 20250815 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1120.9 | USD | 20250815 |