| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chem | China national standards | MT | 1059.49 | USD | 20251128 |
| Shandong Yuhuang Chem | China national standards | MT | 873.02 | USD | 20251128 |
| Beijing Yanshan Petro | China national standards | MT | 1221.94 | USD | 20251128 |
| Jinan Qi Mat | China national standards | MT | 889.97 | USD | 20251128 |
| Zibo Lishuo Chem | China national standards | MT | 988.85 | USD | 20251128 |
| Shandong Yuhuang Chem | China national standards | MT | 1292.57 | USD | 20251128 |
| Shandong Langchem | China national standards | MT | 1299.64 | USD | 20251128 |
| Wanhua Chem | China national standards | MT | 939.41 | USD | 20251128 |
| Lihuayi Shandong | China national standards | MT | 1247.37 | USD | 20251128 |
| Sinopec | China national standards | MT | 889.97 | USD | 20251128 |