| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 1059.86 | USD | 20251208 |
| Shandong Jinling Chem | China national standards | MT | 1102.26 | USD | 20251208 |
| Shandong Hongyang Chem | China national standards | MT | 1434.35 | USD | 20251208 |
| Shandong Junfeng | China national standards | MT | 932.68 | USD | 20251208 |
| Shandong Hongyang Chem | China national standards | MT | 1434.35 | USD | 20251208 |
| Dongying Huatai Chem | China national standards | MT | 1116.39 | USD | 20251208 |
| Shandong Jinmao | China national standards | MT | 1102.26 | USD | 20251208 |
| Shandong Zhiheng | China national standards | MT | 1413.15 | USD | 20251208 |
| Dongying Huatai Chem | China national standards | MT | 1102.26 | USD | 20251208 |
| Sinopec | China national standards | MT | 1109.32 | USD | 20251208 |