| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Haihua Co., Ltd. | China national standards | MT | 254.48 | USD | 20251204 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 212.07 | USD | 20251204 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 155.51 | USD | 20251204 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 202.17 | USD | 20251204 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 169.65 | USD | 20251204 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 261.55 | USD | 20251204 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 202.17 | USD | 20251204 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 233.27 | USD | 20251204 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 261.55 | USD | 20251204 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 169.65 | USD | 20251204 |