| Vendor | Spec | Unit | Price | Currency | Date |
| China national standards | MT | 1100.45 | USD | 20251031 | |
| Guanjiuzhou (Shandong) Energy Technology Co., Ltd. | China national standards | MT | 959.37 | USD | 20251031 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1086.34 | USD | 20251031 |
| Hualu Holdings Group Co., Ltd. | China national standards | MT | 1185.1 | USD | 20251031 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1269.75 | USD | 20251031 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 952.31 | USD | 20251031 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1199.21 | USD | 20251031 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1199.21 | USD | 20251031 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 987.58 | USD | 20251031 |
| Zibo Dehe Chemical Co., Ltd. | China national standards | MT | 973.48 | USD | 20251031 |