| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chem | China national standards | MT | 889.01 | USD | 20251113 |
| Lihuayi Shandong | China national standards | MT | 1058.35 | USD | 20251113 |
| Sinopec | China national standards | MT | 1058.35 | USD | 20251113 |
| Lihuayi Shandong | China national standards | MT | 726.73 | USD | 20251113 |
| Shandong Mingyu | China national standards | MT | 924.29 | USD | 20251113 |
| Qingdao Shengze Chem | China national standards | MT | 726.73 | USD | 20251113 |
| Jinan Zhongyin Mat | China national standards | MT | 719.68 | USD | 20251113 |
| Liao Jinxinda | China national standards | MT | 719.68 | USD | 20251113 |
| Luxi Chem | China national standards | MT | 726.73 | USD | 20251113 |
| Lihuayi Shandong | China national standards | MT | 783.18 | USD | 20251113 |