| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 916.77 | USD | 20251105 |
| Shandong Changyi Petrochemical Co., Ltd. | China national standards | MT | 740.47 | USD | 20251105 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1114.23 | USD | 20251105 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 1071.92 | USD | 20251105 |
| China Petroleum and Chemical Corporation Jingmen Branch | China national standards | MT | 1100.13 | USD | 20251105 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1100.13 | USD | 20251105 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1072.16 | USD | 20251104 |
| China National Petroleum Corporation Lanzhou Petrochemical Branch | China national standards | MT | 846.44 | USD | 20251104 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 846.44 | USD | 20251104 |
| Derun Chemical Co., Ltd. | China national standards | MT | 931.09 | USD | 20251104 |