| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1047.41 | USD | 20250919 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 970.08 | USD | 20250919 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 970.08 | USD | 20250919 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 970.08 | USD | 20250919 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1012.26 | USD | 20250919 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 998.2 | USD | 20250919 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1012.26 | USD | 20250919 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 1012.26 | USD | 20250919 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1047.41 | USD | 20250919 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1124.73 | USD | 20250919 |