| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 776.9 | USD | 20251202 |
| Shandong Shuojia Chem | China national standards | MT | 741.59 | USD | 20251202 |
| Shandong Hanyue Chem | China national standards | MT | 734.53 | USD | 20251202 |
| Shandong Fusheng | China national standards | MT | 706.27 | USD | 20251202 |
| Shandong Hanyue Chem | China national standards | MT | 734.53 | USD | 20251202 |
| Shandong Fusheng | China national standards | MT | 748.65 | USD | 20251202 |
| Jinan Angxin Chem | China national standards | MT | 776.9 | USD | 20251202 |
| Shandong Shuojia Chem | China national standards | MT | 741.59 | USD | 20251202 |
| Shandong Hanyue Chem | China national standards | MT | 748.65 | USD | 20251202 |
| Shandong Yushuo Chem | China national standards | MT | 734.53 | USD | 20251202 |