| Vendor | Spec | Unit | Price | Currency | Date |
| Qinghai Yanhu Industry Co., Ltd. | China national standards | MT | 1125.75 | USD | 20250905 |
| Zhejiang Dayang Biotech Group Co., Ltd. | China national standards | MT | 1097.6 | USD | 20250905 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 872.45 | USD | 20250905 |
| 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 |
| Qinghai Yanhu Industry Co., Ltd. | China national standards | MT | 1125.62 | USD | 20250901 |