| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 1070.11 | USD | 20251014 |
| China Petroleum and Chemical Corporation Jingmen Branch | China national standards | MT | 1098.27 | USD | 20251014 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 971.54 | USD | 20251014 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1126.43 | USD | 20251014 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 985.82 | USD | 20251013 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 805.55 | USD | 20251013 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 805.55 | USD | 20251013 |
| Shandong Changyi Petrochemical Co., Ltd. | China national standards | MT | 805.55 | USD | 20251013 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1112.57 | USD | 20251013 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 802.74 | USD | 20251013 |