| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1124.35 | USD | 20250927 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1124.35 | USD | 20250927 |
| Hualu Holdings Group Co., Ltd. | China national standards | MT | 1180.57 | USD | 20250927 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1222.73 | USD | 20250927 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1208.68 | USD | 20250927 |
| China national standards | MT | 1096.24 | USD | 20250927 | |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 969.75 | USD | 20250927 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 969.75 | USD | 20250927 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 997.86 | USD | 20250927 |
| Yangmei Taihua Coking Investment Co., Ltd. | China national standards | MT | 983.81 | USD | 20250927 |