| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20251201 | |
| Luxi Chem | China national standards | MT | USD | 20251201 | |
| Jinan Pulaihua Chem | China national standards | MT | USD | 20251201 | |
| CNPC | China national standards | MT | USD | 20251130 | |
| Jinan Qi Mat | China national standards | MT | USD | 20251130 | |
| Luxi Chem | China national standards | MT | USD | 20251130 | |
| Lihuayi Shandong | China national standards | MT | USD | 20251130 | |
| Jinan Jinrihe Chem | China national standards | MT | USD | 20251130 | |
| Shandong Aite Chem | China national standards | MT | USD | 20251129 | |
| Shandong Yeyang Chem | China national standards | MT | USD | 20251129 |
