| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chem | China national standards | MT | 931.87 | USD | 20251114 |
| Shandong Langchem | China national standards | MT | 1298.98 | USD | 20251114 |
| Shandong Aite Chem | China national standards | MT | 1200.14 | USD | 20251114 |
| Shandong Aite Chem | China national standards | MT | 1228.38 | USD | 20251114 |
| Shandong Yuhuang Chem | China national standards | MT | 1369.57 | USD | 20251114 |
| Changzhou Juyun Mat | China national standards | MT | 1355.45 | USD | 20251114 |
| Shandong Junfeng | China national standards | MT | 988.35 | USD | 20251114 |
| CNPC | China national standards | MT | 1214.26 | USD | 20251114 |
| Shandong Shuojia Chem | China national standards | MT | 865.51 | USD | 20251114 |
| Shandong Hongyang Chem | China national standards | MT | 1193.08 | USD | 20251114 |