| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1013.3 | USD | 20250930 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 942.93 | USD | 20250930 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1125.89 | USD | 20250930 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1013.3 | USD | 20250930 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1041.45 | USD | 20250930 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 949.97 | USD | 20250930 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 1013.3 | USD | 20250930 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1013.3 | USD | 20250930 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1012.81 | USD | 20250929 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 970.61 | USD | 20250929 |