| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Qingdao Shengze Chem | China national standards | MT | USD | 20251101 | |
| Shandong Xingpeng Chem | China national standards | MT | USD | 20251101 | |
| Shandong Mingyu | China national standards | MT | USD | 20251101 | |
| Shiyou Yangzhou Chem | China national standards | MT | USD | 20251101 | |
| Lihuayi Weiyuan Chem | China national standards | MT | USD | 20251101 | |
| Jinan Qi Mat | China national standards | MT | USD | 20251101 | |
| Sinopec | China national standards | MT | USD | 20251101 | |
| Shandong Junfeng | China national standards | MT | USD | 20251101 | |
| Shandong Jiaen Chem | China national standards | MT | USD | 20251101 | |
| Jiangsu Highchem Catalyst | China national standards | MT | USD | 20251031 |
