| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1214.88 | USD | 20251128 |
| Shandong Junfeng | China national standards | MT | 932.35 | USD | 20251128 |
| Shandong Aite Chem | China national standards | MT | 1483.28 | USD | 20251128 |
| Shandong Aite Chem | China national standards | MT | 1158.54 | USD | 20251127 |
| Jinan Aochen Chem | China national standards | MT | 1554.13 | USD | 20251127 |
| Shandong Jinling | China national standards | MT | 1137.34 | USD | 20251127 |
| Dongying Huatai Chem | China national standards | MT | 1102.02 | USD | 20251127 |
| Dongying Huatai Chem | China national standards | MT | 1116.15 | USD | 20251127 |
| Shandong Xingpeng Chem | China national standards | MT | 1116.15 | USD | 20251127 |
| Shandong Xingpeng Chem | China national standards | MT | 1059.64 | USD | 20251127 |