| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Dongying Huatai Chem | China national standards | MT | USD | 20250930 | |
| Shandong Yaowang Chem | China national standards | MT | USD | 20250930 | |
| Shandong Jinling | China national standards | MT | USD | 20250930 | |
| Shandong Lifuda | China national standards | MT | USD | 20250930 | |
| CNPC | China national standards | MT | USD | 20250930 | |
| Shandong Jinling Chem | China national standards | MT | USD | 20250930 | |
| Nanjing Runhua Chem | China national standards | MT | USD | 20250930 | |
| Shandong Yuxuan Chem | China national standards | MT | USD | 20250930 | |
| Qingdao Chengxin Chem | China national standards | MT | USD | 20250930 | |
| Chongqing Changfeng | China national standards | MT | USD | 20250929 |
