| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 986.55 | USD | 20251022 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 972.46 | USD | 20251022 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 958.37 | USD | 20251022 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1127.49 | USD | 20251022 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 958.37 | USD | 20251022 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1000.65 | USD | 20251022 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1127.49 | USD | 20251022 |
| Yangmei Taihua Coking Investment Co., Ltd. | China national standards | MT | 986.55 | USD | 20251022 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 972.46 | USD | 20251022 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1000.65 | USD | 20251022 |