| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Qi Mat | China national standards | MT | 881.77 | USD | 20251031 |
| Shaanxi Yanchang Petro | China national standards | MT | 881.77 | USD | 20251031 |
| Sinopec | China national standards | MT | 881.77 | USD | 20251031 |
| Jinan Qi Mat | China national standards | MT | 881.77 | USD | 20251031 |
| Lihuayi Shandong | China national standards | MT | 1245.77 | USD | 20251031 |
| Sinopec | China national standards | MT | 973.48 | USD | 20251031 |
| Lihuayi Shandong | China national standards | MT | 1100.45 | USD | 20251031 |
| Shaanxi Yanchang Petro | China national standards | MT | 884.59 | USD | 20251031 |
| Sinopec | China national standards | MT | 884.59 | USD | 20251031 |
| Sinopec | China national standards | MT | 884.59 | USD | 20251031 |