| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1017.01 | USD | 20251126 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 847.51 | USD | 20251126 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1101.76 | USD | 20251126 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1073.51 | USD | 20251126 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 1878.64 | USD | 20251126 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 805.13 | USD | 20251126 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1115.88 | USD | 20251126 |
| Xingtai Risun Coal Chemicais Limited | China national standards | MT | 1285.38 | USD | 20251126 |
| China National Petroleum Corporation Lanzhou Petrochemical Branch | China national standards | MT | 847.51 | USD | 20251126 |
| Shandong Changyi Petrochemical Co., Ltd. | China national standards | MT | 741.57 | USD | 20251126 |