| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Waien Chemical Technology Co., Ltd. | China national standards | MT | 931.34 | USD | 20251111 |
| Guanjiuzhou (Shandong) Energy Technology Co., Ltd. | China national standards | MT | 959.56 | USD | 20251111 |
| Guanjiuzhou (Shandong) Energy Technology Co., Ltd. | China national standards | MT | 959.56 | USD | 20251111 |
| Zibo Dehe Chemical Co., Ltd. | China national standards | MT | 959.56 | USD | 20251111 |
| Zibo Dehe Chemical Co., Ltd. | China national standards | MT | 959.56 | USD | 20251111 |
| Nanjing Waien Chemical Technology Co., Ltd. | China national standards | MT | 945.45 | USD | 20251111 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1086.56 | USD | 20251111 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 987.78 | USD | 20251111 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 973.67 | USD | 20251111 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 973.67 | USD | 20251111 |