| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shaanxi Petro Yanan | China national standards | MT | USD | 20251101 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20251101 | |
| Shandong Xima | China national standards | MT | USD | 20251101 | |
| Zibo Lishuo Chem | China national standards | MT | USD | 20251101 | |
| Liaocheng Yuanze Chem | China national standards | MT | USD | 20251101 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20251101 | |
| Shandong Laya Chem | China national standards | MT | USD | 20251101 | |
| Shandong Xingpeng Chem | China national standards | MT | USD | 20251101 | |
| Shaanxi Lufeng Chem | China national standards | MT | USD | 20251101 | |
| Shandong Mingyu | China national standards | MT | USD | 20251101 |
