| Vendor | Spec | Unit | Price | Currency | Date |
| Shaanxi Yanchang Petro | China national standards | MT | 889.91 | USD | 20251202 |
| Nanjing Runsheng Petro | China national standards | MT | 904.03 | USD | 20251202 |
| Shandong Huize Chem | China national standards | MT | 1059.41 | USD | 20251202 |
| Jinan Qi Mat | China national standards | MT | 889.91 | USD | 20251202 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1327.8 | USD | 20251202 |
| CNPC | China national standards | MT | 1214.79 | USD | 20251202 |
| Shandong Yuhuang Chem | China national standards | MT | 1292.48 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 1299.55 | USD | 20251202 |
| Wanhua Chem | China national standards | MT | 939.35 | USD | 20251202 |
| Aite Zhejiang | China national standards | MT | 1313.67 | USD | 20251202 |