| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1155.37 | USD | 20251020 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1113.1 | USD | 20251020 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 944.02 | USD | 20251020 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1056.74 | USD | 20251020 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 918.66 | USD | 20251020 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1127.19 | USD | 20251020 |
| Zhejiang Petroleum&Chemical Co., Ltd. | China national standards | MT | 929.93 | USD | 20251020 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1239.91 | USD | 20251020 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1099.01 | USD | 20251020 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 930.25 | USD | 20251019 |