| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 975.21 | USD | 20251203 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 975.21 | USD | 20251203 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1095.34 | USD | 20251203 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 848.01 | USD | 20251203 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 1074.14 | USD | 20251203 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1116.54 | USD | 20251203 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 734.94 | USD | 20251203 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 805.61 | USD | 20251203 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 876.28 | USD | 20251203 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 734.94 | USD | 20251203 |