| Vendor | Spec | Unit | Price | Currency | Date |
| GuangZhan Chem | China national standards | MT | 190.69 | USD | 20251202 |
| GuangZhan Chem | China national standards | MT | 204.82 | USD | 20251202 |
| Henan Shunzhibang | China national standards | MT | 268.38 | USD | 20251202 |
| Tongdai Haijing Soda | China national standards | MT | 169.51 | USD | 20251202 |
| Henan Sendi EnvTech | China national standards | MT | 201.99 | USD | 20251202 |
| Shanghai SKY Chem | China national standards | MT | 211.88 | USD | 20251202 |
| Shandong Haihua | China national standards | MT | 190.69 | USD | 20251202 |
| Henan Shunzhibang | China national standards | MT | 240.13 | USD | 20251202 |
| Shandong Haihua | China national standards | MT | 169.51 | USD | 20251202 |
| Henan Qianyuexing | China national standards | MT | 156.87 | USD | 20251201 |