| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Guoke | China national standards | MT | 261.45 | USD | 20251201 |
| Anhui Haozhan Tech | China national standards | MT | 204.92 | USD | 20251201 |
| Henan Sendi EnvTech | China national standards | MT | 202.09 | USD | 20251201 |
| Wuhan Hengjiu Chem | China national standards | MT | 233.19 | USD | 20251201 |
| Tongdai Haijing Soda | China national standards | MT | 165.35 | USD | 20251201 |
| Suzhou Shangma Chem | China national standards | MT | 197.85 | USD | 20251201 |
| Henan Baiquan | China national standards | MT | 165.35 | USD | 20251201 |
| Zhangzhou Sanan Chem | China national standards | MT | 211.99 | USD | 20251201 |
| Changzhou Yihan Chem | China national standards | MT | 204.92 | USD | 20251201 |
| Shandong Haihua | China national standards | MT | 254.38 | USD | 20251201 |