| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1125.86 | USD | 20250924 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1048.45 | USD | 20250924 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1076.6 | USD | 20250924 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 971.05 | USD | 20250923 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 971.05 | USD | 20250923 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 985.12 | USD | 20250923 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 985.12 | USD | 20250923 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1773.22 | USD | 20250923 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 999.2 | USD | 20250923 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1034.38 | USD | 20250923 |