| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 931.22 | USD | 20251122 |
| Qingdao Shengze Chem | China national standards | MT | 931.22 | USD | 20251122 |
| Shandong Yuxuan Chem | China national standards | MT | 987.65 | USD | 20251122 |
| Guangzhou Tianyue Chem | China national standards | MT | 1227.51 | USD | 20251122 |
| Wuhan Hengjiu Chem | China national standards | MT | 959.44 | USD | 20251122 |
| Jinan Angxin Chem | China national standards | MT | 931.22 | USD | 20251122 |
| Zibo Zhongsheng Chem | China national standards | MT | 1269.84 | USD | 20251121 |
| Zibo Zhongsheng Chem | China national standards | MT | 945.33 | USD | 20251121 |
| Zibo Zhongsheng Chem | China national standards | MT | 1269.84 | USD | 20251121 |
| Yangmei Taihua Coke | China national standards | MT | 924.16 | USD | 20251121 |