| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 944.09 | USD | 20251016 |
| Zhejiang Petroleum&Chemical Co., Ltd. | China national standards | MT | 930.0 | USD | 20251016 |
| Sinopec/sabic Tianjin Petrochemical Company Limited | China national standards | MT | 930.0 | USD | 20251016 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1240.0 | USD | 20251016 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1099.09 | USD | 20251016 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1099.09 | USD | 20251016 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1092.04 | USD | 20251016 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |