| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 148.38 | USD | 20251208 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 233.17 | USD | 20251208 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 240.24 | USD | 20251208 |
| Shandong Haihua Co., Ltd. | China national standards | MT | 190.77 | USD | 20251208 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 261.43 | USD | 20251208 |
| Tangshan Sanyou Chemical Industries Co., Ltd. | China national standards | MT | 183.71 | USD | 20251208 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 204.91 | USD | 20251208 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 169.58 | USD | 20251208 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 155.45 | USD | 20251208 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 254.37 | USD | 20251208 |