| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 233.21 | USD | 20251210 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 209.18 | USD | 20251210 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 200.7 | USD | 20251210 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 176.67 | USD | 20251210 |
| Tongdai Haijing NATURAL SODA Co., Ltd. | China national standards | MT | 169.6 | USD | 20251210 |
| Tangshan Sanyou Chemical Industries Co., Ltd. | China national standards | MT | 183.74 | USD | 20251210 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 148.4 | USD | 20251210 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 197.87 | USD | 20251210 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 445.21 | USD | 20251210 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 176.67 | USD | 20251210 |