| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 911.54 | USD | 20251201 |
| Luxi Chem | China national standards | MT | 918.61 | USD | 20251201 |
| Jinan Pulaihua Chem | China national standards | MT | 1413.25 | USD | 20251201 |
| Shandong Hongyang Chem | China national standards | MT | 1045.8 | USD | 20251201 |
| Luxi Chem | China national standards | MT | 1413.25 | USD | 20251201 |
| Jinan Pulaihua Chem | China national standards | MT | 1342.59 | USD | 20251201 |
| Luxi Chem | China national standards | MT | 875.84 | USD | 20251130 |
| Lihuayi Shandong | China national standards | MT | 889.97 | USD | 20251130 |
| Jinan Jinrihe Chem | China national standards | MT | 889.97 | USD | 20251130 |
| Jinan Qi Mat | China national standards | MT | 840.53 | USD | 20251130 |