| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jiaen Chem | China national standards | MT | 267.12 | USD | 20250919 |
| Shandong Kailong Chem | China national standards | MT | 274.15 | USD | 20250919 |
| Hunan Yinqiao | China national standards | MT | 274.15 | USD | 20250919 |
| Jinan Kunfeng Chem | China national standards | MT | 274.15 | USD | 20250919 |
| Qingdao Chengxin Chem | China national standards | MT | 253.06 | USD | 20250919 |
| Guang Longyu Chem | Industrial Grade | MT | 281.18 | USD | 20250919 |
| Shandong Qiangsen Chem | China national standards | MT | 189.8 | USD | 20250919 |
| Shandong Shuojia Chem | China national standards | MT | 302.27 | USD | 20250919 |
| Shandong Shuojia Chem | China national standards | MT | 302.27 | USD | 20250919 |
| Shandong Shuojia Chem | China national standards | MT | 302.27 | USD | 20250919 |