| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 1003.34 | USD | 20251208 |
| Shiyou Yangzhou Chem | China national standards | MT | 847.89 | USD | 20251208 |
| Unknown | China national standards | MT | 819.63 | USD | 20251208 |
| Unknown | China national standards | MT | 819.63 | USD | 20251208 |
| Sinopec | China national standards | MT | 1031.6 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 805.49 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 805.49 | USD | 20251208 |
| Shandong Qiangsen Chem | China national standards | MT | 932.68 | USD | 20251208 |
| Shandong Mingyu | China national standards | MT | 1052.8 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 805.49 | USD | 20251208 |