| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 998.57 | USD | 20251009 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 998.57 | USD | 20251009 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 998.57 | USD | 20251009 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1054.82 | USD | 20251009 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1040.76 | USD | 20251009 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 998.57 | USD | 20251009 |
| Yangmei Taihua Coking Investment Co., Ltd. | China national standards | MT | 984.5 | USD | 20251009 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1019.66 | USD | 20251009 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 998.57 | USD | 20251009 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1209.53 | USD | 20251009 |