| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 102.05 | USD | 20250708 |
| Jinan Hongyi Biotechnology Co., Ltd. | 24% | MT | 29.36 | USD | 20250708 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 102.09 | USD | 20250707 |
| Jinan Hongyi Biotechnology Co., Ltd. | 24% | MT | 27.97 | USD | 20250707 |
| Jinan Hongyi Biotechnology Co., Ltd. | 24% | MT | 27.96 | USD | 20250706 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 102.05 | USD | 20250705 |
| Jinan Hongyi Biotechnology Co., Ltd. | 24% | MT | 27.96 | USD | 20250705 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 102.05 | USD | 20250704 |
| Jinan Hongyi Biotechnology Co., Ltd. | 24% | MT | 27.96 | USD | 20250704 |
| Jinan Hongyi Biotechnology Co., Ltd. | 24% | MT | 27.96 | USD | 20250703 |