| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20251111 | |
| Shandong Huize Chem | China national standards | MT | USD | 20251111 | |
| Shandong Zhiheng | China national standards | MT | USD | 20251111 | |
| CNPC | China national standards | MT | USD | 20251111 | |
| Shandong Hongyang Chem | China national standards | MT | USD | 20251111 | |
| Lihuayi Weiyuan Chem | China national standards | MT | USD | 20251111 | |
| Aite Zhejiang | China national standards | MT | USD | 20251111 | |
| Jinan Pulaihua Chem | China national standards | MT | USD | 20251111 | |
| Shandong Yuhuang Chem | China national standards | MT | USD | 20251111 | |
| Shandong Langchem | China national standards | MT | USD | 20251111 |
