| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Chem | China national standards | MT | 1102.26 | USD | 20251208 |
| Shandong Hongyang Chem | China national standards | MT | 1434.35 | USD | 20251208 |
| Aite Zhejiang | China national standards | MT | 1300.1 | USD | 20251208 |
| Dongying Huatai Chem | China national standards | MT | 1102.26 | USD | 20251208 |
| Shandong Zhiheng | China national standards | MT | 1335.42 | USD | 20251208 |
| Shandong Hongyang Chem | China national standards | MT | 1434.35 | USD | 20251208 |
| Shandong Hongyang Chem | China national standards | MT | 1434.35 | USD | 20251208 |
| Shandong Zhiheng | China national standards | MT | 1413.15 | USD | 20251208 |
| Dongying Huatai Chem | China national standards | MT | 1102.26 | USD | 20251208 |
| Shandong Jinling | China national standards | MT | 1384.88 | USD | 20251208 |