| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 889.97 | USD | 20251128 |
| Shandong Haili Chem | China national standards | MT | 1200.75 | USD | 20251128 |
| Jinan Jinrihe Chem | China national standards | MT | 904.1 | USD | 20251128 |
| Shandong Aite Chem | China national standards | MT | 1130.12 | USD | 20251128 |
| Shandong Hualu | China national standards | MT | 974.73 | USD | 20251128 |
| Shanxi Yangmei Chem | China national standards | MT | 1130.12 | USD | 20251128 |
| Nanjing Guanshan Energy | China national standards | MT | 925.29 | USD | 20251128 |
| Zibo Zhongsheng Chem | China national standards | MT | 1271.38 | USD | 20251128 |
| Shandong Aite Chem | China national standards | MT | 1130.12 | USD | 20251128 |
| Nanjing Guanshan Energy | China national standards | MT | 918.22 | USD | 20251128 |