| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1171.24 | USD | 20251113 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1128.91 | USD | 20251113 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1213.58 | USD | 20251113 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1128.91 | USD | 20251113 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1270.02 | USD | 20251113 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1128.91 | USD | 20251113 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1241.8 | USD | 20251113 |
| Befar Group Co., Ltd. | China national standards | MT | 889.01 | USD | 20251113 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1044.24 | USD | 20251113 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1121.85 | USD | 20251113 |