| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chem | China national standards | MT | 1549.89 | USD | 20251020 |
| Shandong Aite Chem | China national standards | MT | 1479.44 | USD | 20251020 |
| Shandong Aite Chem | China national standards | MT | 1479.44 | USD | 20251020 |
| Sinopec | China national standards | MT | 1145.51 | USD | 20251020 |
| Shandong Jinling Chem | China national standards | MT | 1120.14 | USD | 20251020 |
| Shandong Lifuda | China national standards | MT | 1120.14 | USD | 20251020 |
| Nanjing Runhua Chem | China national standards | MT | 1169.46 | USD | 20251020 |
| Shandong Jinling Chem | China national standards | MT | 1120.14 | USD | 20251020 |
| Shandong Jinling Chem | China national standards | MT | 1120.14 | USD | 20251020 |
| Dongying Huatai Chem | China national standards | MT | 1099.01 | USD | 20251020 |