| Vendor | Spec | Unit | Price | Currency | Date |
| ZJ Dayang Biotech | China national standards | MT | 1097.22 | USD | 20250902 |
| UniTrend China | China national standards | MT | 1040.95 | USD | 20250902 |
| Shandong Xima | China national standards | MT | 872.15 | USD | 20250902 |
| Shandong Huize Chem | China national standards | MT | 900.28 | USD | 20250902 |
| Qinghai Yanhu | China national standards | MT | 970.61 | USD | 20250902 |
| Qinghai Yanhu | China national standards | MT | 1125.35 | USD | 20250902 |
| ZJ Dayang Biotech | China national standards | MT | 1097.48 | USD | 20250901 |
| Qinghai Yanhu | China national standards | MT | 1125.62 | USD | 20250901 |
| UniTrend China | China national standards | MT | 1041.2 | USD | 20250901 |
| Shandong Xima | China national standards | MT | 872.35 | USD | 20250901 |