| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 843.55 | USD | 20250919 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 899.79 | USD | 20250919 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 2151.05 | USD | 20250919 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2151.05 | USD | 20250919 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 843.55 | USD | 20250919 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 941.96 | USD | 20250919 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 822.46 | USD | 20250919 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 815.43 | USD | 20250919 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 2151.05 | USD | 20250919 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 2151.05 | USD | 20250919 |