| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1229.28 | USD | 20251209 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 911.36 | USD | 20251209 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1201.02 | USD | 20251209 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1130.37 | USD | 20251209 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 953.75 | USD | 20251209 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1215.15 | USD | 20251209 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 974.95 | USD | 20251209 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 904.3 | USD | 20251209 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1003.21 | USD | 20251209 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 918.43 | USD | 20251209 |