| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 931.58 | USD | 20251124 |
| Shandong Yihe Chem | China national standards | MT | 1270.34 | USD | 20251124 |
| Wuhan Hengjiu Chem | China national standards | MT | 959.81 | USD | 20251124 |
| Jinan Angxin Chem | China national standards | MT | 931.58 | USD | 20251124 |
| Nanjing Guanshan Energy | China national standards | MT | 924.53 | USD | 20251124 |
| Zibo Zhongsheng Chem | China national standards | MT | 945.7 | USD | 20251124 |
| Zibo Zhongsheng Chem | China national standards | MT | 1270.34 | USD | 20251124 |
| Jinan Angxin Chem | China national standards | MT | 931.58 | USD | 20251124 |
| Yangmei Taihua Coke | China national standards | MT | 917.47 | USD | 20251124 |
| Shandong Haili Chem | China national standards | MT | 1199.77 | USD | 20251124 |