| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 888.56 | USD | 20251105 |
| Zibo Zhongsheng Chemical Co., Ltd. | China national standards | MT | 959.08 | USD | 20251105 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1198.85 | USD | 20251105 |
| Zibo Zhongsheng Chemical Co., Ltd. | China national standards | MT | 1410.42 | USD | 20251105 |
| Xinjiang Tianli Petrochemical Co., Ltd. | China national standards | MT | 1269.38 | USD | 20251105 |
| Yangmei Taihua Coking Investment Co., Ltd. | China national standards | MT | 944.98 | USD | 20251105 |
| Nanjing Guanshan New Energy Industry Co., Ltd. | China national standards | MT | 944.98 | USD | 20251105 |
| China national standards | MT | 937.93 | USD | 20251105 | |
| China national standards | MT | 944.98 | USD | 20251105 | |
| Nanjing Waien Chemical Technology Co., Ltd. | China national standards | MT | 944.98 | USD | 20251105 |