| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Chem | China national standards | MT | 1102.33 | USD | 20251201 |
| Shandong Jinling Chem | China national standards | MT | 1059.94 | USD | 20251201 |
| Shandong Jinling Chem | China national standards | MT | 1384.98 | USD | 20251201 |
| Aite Zhejiang | China national standards | MT | 1300.19 | USD | 20251201 |
| Shandong Jinling Chem | China national standards | MT | 1074.07 | USD | 20251201 |
| Shandong Jinling Chem | China national standards | MT | 1413.25 | USD | 20251201 |
| Shandong Qiangsen Chem | China national standards | MT | 1116.47 | USD | 20251201 |
| Shandong Jinmao | China national standards | MT | 1300.19 | USD | 20251201 |
| Shandong Xima | China national standards | MT | 918.61 | USD | 20251201 |
| Shandong Jinling Chem | China national standards | MT | 1130.12 | USD | 20251130 |