| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Pulaihua Chem | China national standards | MT | 1381.18 | USD | 20251022 |
| Shandong Jinling Chem | China national standards | MT | 1381.18 | USD | 20251022 |
| Nanjing Runhua Chem | China national standards | MT | 1169.77 | USD | 20251022 |
| Shandong Lifuda | China national standards | MT | 1120.44 | USD | 20251022 |
| Shandong Jinling Chem | China national standards | MT | 1120.44 | USD | 20251022 |
| Sinopec | China national standards | MT | 1145.81 | USD | 20251022 |
| Shandong Jinling Chem | China national standards | MT | 1120.44 | USD | 20251022 |
| Shandong Jinling Chem | China national standards | MT | 1120.44 | USD | 20251022 |
| Shandong Yuxuan Chem | China national standards | MT | 1352.99 | USD | 20251022 |
| Dongying Huatai Chem | China national standards | MT | 1479.83 | USD | 20251022 |