| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 1102.26 | USD | 20251208 |
| Baozhen Shandong Chem | China national standards | MT | 1413.15 | USD | 20251208 |
| Baozhen Shandong Chem | China national standards | MT | 1413.15 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 763.1 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 763.1 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 763.1 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 763.1 | USD | 20251208 |
| Yancheng SUPER Chem | China national standards | MT | 753.21 | USD | 20251208 |
| Hunan Yuanshuo Chem | China national standards | MT | 890.28 | USD | 20251208 |
| Jinan Jinrihe Chem | China national standards | MT | 791.53 | USD | 20251207 |