| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 201.12 | USD | 20251009 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 201.12 | USD | 20251009 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 194.09 | USD | 20251009 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 205.34 | USD | 20251009 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 210.96 | USD | 20251009 |
| Shandong Haihua Co., Ltd. | China national standards | MT | 210.96 | USD | 20251009 |
| Jinan Xingdate Biotechnology Co., Ltd. | China national standards | MT | 225.03 | USD | 20251009 |
| Tongdai Haijing NATURAL SODA Co., Ltd. | China national standards | MT | 168.77 | USD | 20251009 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 189.87 | USD | 20251009 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 189.87 | USD | 20251009 |