| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 211.88 | USD | 20251126 |
| Henan Baiquan Pharmaceutical Co., Ltd. | China national standards | MT | 176.56 | USD | 20251126 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 211.88 | USD | 20251126 |
| Anhui Haozhan Environmental Protection Technology Co., Ltd. | China national standards | MT | 204.81 | USD | 20251126 |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 226.0 | USD | 20251126 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 211.88 | USD | 20251126 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 211.88 | USD | 20251126 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 254.25 | USD | 20251126 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 240.13 | USD | 20251126 |
| Tongdai Haijing NATURAL SODA Co., Ltd. | China national standards | MT | 169.5 | USD | 20251126 |