| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1069.56 | USD | 20250925 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 985.12 | USD | 20250925 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 985.12 | USD | 20250925 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 985.12 | USD | 20250925 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 999.2 | USD | 20250925 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1055.49 | USD | 20250925 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1125.86 | USD | 20250925 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1125.86 | USD | 20250925 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1125.86 | USD | 20250925 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1252.52 | USD | 20250925 |