| Vendor | Spec | Unit | Price | Currency | Date |
| Tongdai Haijing Soda | China national standards | MT | 168.88 | USD | 20250930 |
| Wuhan Hengjiu Chem | China national standards | MT | 205.47 | USD | 20250930 |
| Wuhan Hengjiu Chem | China national standards | MT | 173.11 | USD | 20250930 |
| Wuhan Hengjiu Chem | China national standards | MT | 182.96 | USD | 20250930 |
| Henan Huiyihai | China national standards | MT | 175.92 | USD | 20250930 |
| Tongdai Haijing Soda | China national standards | MT | 168.88 | USD | 20250930 |
| Guangdong Huihao | China national standards | MT | 211.1 | USD | 20250930 |
| Hubei Shuanghuan Tech | China national standards | MT | 211.1 | USD | 20250930 |
| Shandong Haihua | China national standards | MT | 182.96 | USD | 20250930 |
| Henan Kaijie Water | China national standards | MT | 211.1 | USD | 20250930 |