| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Dongying Yatong | China national standards | MT | USD | 20241213 | |
| CNPC | China national standards | MT | USD | 20241213 | |
| Binzhou Youtai | China national standards | MT | USD | 20241213 | |
| SD Dongfang Hualong | China national standards | MT | USD | 20241213 | |
| Shandong Yulong | China national standards | MT | USD | 20241213 | |
| Yulin Yanchang | China national standards | MT | USD | 20241213 | |
| Panjin Huajin | China national standards | MT | USD | 20241213 | |
| Unknown | China national standards | MT | USD | 20210323 | |
| Unknown | China national standards | MT | USD | 20210322 | |
| Unknown | China national standards | MT | USD | 20210322 |
