| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Zhongsheng Chemical Co., Ltd. | China national standards | MT | 971.74 | USD | 20251013 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1267.48 | USD | 20251013 |
| Zibo Zhongsheng Chemical Co., Ltd. | China national standards | MT | 1408.31 | USD | 20251013 |
| Xinjiang Tianli Petrochemical Co., Ltd. | China national standards | MT | 1337.9 | USD | 20251013 |
| Yangmei Taihua Coking Investment Co., Ltd. | China national standards | MT | 957.65 | USD | 20251013 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 887.24 | USD | 20251013 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1098.48 | USD | 20251013 |
| Hualu Holdings Group Co., Ltd. | China national standards | MT | 1182.3 | USD | 20251012 |
| Nanjing Daze Trading Co., Ltd. | China national standards | MT | 1126.0 | USD | 20251012 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1210.45 | USD | 20251012 |