| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 895.4 | USD | 20251023 |
| Qingdao Shengze Chem | China national standards | MT | 895.4 | USD | 20251023 |
| Lihuayi Shandong | China national standards | MT | 891.17 | USD | 20251023 |
| Jinan Qi Mat | China national standards | MT | 891.17 | USD | 20251023 |
| Lihuayi Shandong | China national standards | MT | 1113.96 | USD | 20251023 |
| Shandong Yuhuang Chem | China national standards | MT | 1367.78 | USD | 20251023 |
| Shandong Aite Chem | China national standards | MT | 1226.77 | USD | 20251023 |
| Lihuayi Shandong | China national standards | MT | 1381.88 | USD | 20251023 |
| Shandong Aite Chem | China national standards | MT | 1198.57 | USD | 20251023 |
| Lihuayi Shandong | China national standards | MT | 891.17 | USD | 20251023 |