| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Sinopec Shanghai Gaoqiao Petrochemical Company | China national standards | MT | 930.0 | USD | 20251016 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 986.36 | USD | 20251016 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 943.73 | USD | 20251015 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1049.37 | USD | 20251015 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 929.64 | USD | 20251015 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 957.81 | USD | 20251015 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 950.77 | USD | 20251015 |