| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying HuataiChem | China national standards | MT | 1044.02 | USD | 20251102 |
| Jinan Qi Mat | China national standards | MT | 1044.02 | USD | 20251102 |
| Hangjin Tech | China national standards | MT | 1015.8 | USD | 20251102 |
| Dongying HuataiChem | China national standards | MT | 1058.13 | USD | 20251102 |
| Qingdao Shengze Chem | China national standards | MT | 1058.13 | USD | 20251102 |
| Qingdao Shengze Chem | China national standards | MT | 1058.13 | USD | 20251102 |
| Shandong Jinling Chem | China national standards | MT | 1058.13 | USD | 20251102 |
| Shandong Yihe Chem | China national standards | MT | 987.58 | USD | 20251102 |
| Wudi Xinyue Chem | China national standards | MT | 1044.02 | USD | 20251102 |
| Shandong Qiangsen Chem | China national standards | MT | 987.58 | USD | 20251101 |