| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1019.29 | USD | 20250919 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 899.79 | 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 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2151.05 | USD | 20250919 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 2151.05 | USD | 20250919 |
| Shandong Energy Group Co., Ltd. | China national standards | MT | 1012.26 | USD | 20250919 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1054.44 | USD | 20250919 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 956.02 | USD | 20250919 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 843.55 | USD | 20250919 |