| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 1071.66 | USD | 20251023 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 930.65 | USD | 20251023 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 944.75 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1064.61 | USD | 20251023 |
| China National Petroleum Corporation Lanzhou Petrochemical Branch | China national standards | MT | 846.05 | USD | 20251023 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1099.86 | USD | 20251023 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 846.05 | USD | 20251023 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 930.65 | USD | 20251023 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 803.75 | USD | 20251023 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 930.65 | USD | 20251023 |