| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 956.02 | USD | 20250919 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1054.44 | USD | 20250919 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 913.85 | USD | 20250919 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 913.85 | USD | 20250919 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 913.85 | USD | 20250919 |
| Beijing Xinqianrong Petrochemical Co., Ltd. | China national standards | MT | 913.85 | USD | 20250919 |
| Sinopec/sabic Tianjin Petrochemical Company Limited | China national standards | MT | 998.2 | USD | 20250919 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 885.73 | USD | 20250919 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 927.9 | USD | 20250919 |