| Vendor | Spec | Unit | Price | Currency | Date |
| Zhejiang Dayang Biotech Group Co., Ltd. | China national standards | MT | 1097.79 | USD | 20250904 |
| Zhejiang Dayang Biotech Group Co., Ltd. | China national standards | MT | 1097.22 | USD | 20250902 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 872.15 | USD | 20250902 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 900.28 | USD | 20250902 |
| Qinghai Yanhu Industry Co., Ltd. | China national standards | MT | 970.61 | USD | 20250902 |
| Qinghai Yanhu Industry Co., Ltd. | China national standards | MT | 1125.35 | USD | 20250902 |
| Zhejiang Dayang Biotech Group Co., Ltd. | China national standards | MT | 1097.48 | USD | 20250901 |
| Qinghai Yanhu Industry Co., Ltd. | China national standards | MT | 1125.62 | USD | 20250901 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 872.35 | USD | 20250901 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 872.87 | USD | 20250830 |