| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1259.09 | USD | 20251211 |
| Shandong Zhiheng | China national standards | MT | 1336.9 | USD | 20251211 |
| Shandong Jinling Chem | China national standards | MT | 1075.18 | USD | 20251211 |
| Aite Zhejiang | China national standards | MT | 1386.41 | USD | 20251211 |
| Dongying Huatai Chem | China national standards | MT | 1089.32 | USD | 20251211 |
| Dongying Huatai Chem | China national standards | MT | 1089.32 | USD | 20251211 |
| Shandong Jinmao | China national standards | MT | 1075.18 | USD | 20251211 |
| Shandong Junfeng | China national standards | MT | 933.71 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1259.09 | USD | 20251211 |
| Shandong Zhenkun | China national standards | MT | 1001.61 | USD | 20251211 |