| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1126.63 | USD | 20250909 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1056.22 | USD | 20250909 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1042.14 | USD | 20250909 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1077.34 | USD | 20250909 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1028.05 | USD | 20250909 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 999.89 | USD | 20250909 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 999.89 | USD | 20250909 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 985.8 | USD | 20250909 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1041.83 | USD | 20250908 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 985.51 | USD | 20250908 |