| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 985.62 | USD | 20251014 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 999.7 | USD | 20251014 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1675.56 | USD | 20251014 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 957.46 | USD | 20251014 |
| Yangmei Taihua Coking Investment Co., Ltd. | China national standards | MT | 957.46 | USD | 20251014 |
| Xinjiang Tianli Petrochemical Co., Ltd. | China national standards | MT | 1337.63 | USD | 20251014 |
| Zibo Zhongsheng Chemical Co., Ltd. | China national standards | MT | 1408.03 | USD | 20251014 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1267.23 | USD | 20251014 |
| Zibo Zhongsheng Chemical Co., Ltd. | China national standards | MT | 971.54 | USD | 20251014 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 957.46 | USD | 20251014 |