| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 974.63 | USD | 20251126 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 932.26 | USD | 20251126 |
| Nanjing Daze Trading Co., Ltd. | China national standards | MT | 1130.01 | USD | 20251126 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1130.01 | USD | 20251126 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1130.01 | USD | 20251126 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.26 | USD | 20251126 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1130.01 | USD | 20251126 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1101.76 | USD | 20251126 |
| Yangmei Taihua Coking Investment Co., Ltd. | China national standards | MT | 988.76 | USD | 20251126 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1200.63 | USD | 20251126 |