| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Waien Chemical Technology Co., Ltd. | China national standards | MT | 945.99 | USD | 20251114 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1228.38 | USD | 20251114 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 931.87 | USD | 20251114 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1214.26 | USD | 20251114 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 931.87 | USD | 20251114 |
| China national standards | MT | 1030.71 | USD | 20251114 | |
| Zibo Dehe Chemical Co., Ltd. | China national standards | MT | 945.99 | USD | 20251114 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1200.14 | USD | 20251114 |
| Yangmei Taihua Coking Investment Co., Ltd. | China national standards | MT | 988.35 | USD | 20251114 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 974.23 | USD | 20251114 |