| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 909.37 | USD | 20251024 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1191.35 | USD | 20251024 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 986.92 | USD | 20251024 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 891.04 | USD | 20251024 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 895.27 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1297.09 | USD | 20251024 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 944.62 | USD | 20251024 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1170.2 | USD | 20251024 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1353.49 | USD | 20251024 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1353.49 | USD | 20251024 |