| Vendor | Spec | Unit | Price | Currency | Date | 
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 102.23 | USD | 20250806 | 
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 102.29 | USD | 20250805 | 
| Jinan Hongyi Biotechnology Co., Ltd. | 24% | MT | 32.23 | USD | 20250805 | 
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 102.25 | USD | 20250804 | 
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 102.1 | USD | 20250802 | 
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 102.1 | USD | 20250801 | 
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 102.11 | USD | 20250731 | 
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 102.18 | USD | 20250730 | 
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 102.08 | USD | 20250729 | 
| Jinan Hongyi Biotechnology Co., Ltd. | 24% | MT | 39.18 | USD | 20250728 |