| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 930.65 | USD | 20251023 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 919.37 | USD | 20251023 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1113.96 | USD | 20251023 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 918.91 | USD | 20251022 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 993.6 | USD | 20251022 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 918.91 | USD | 20251022 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1127.49 | USD | 20251022 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1155.68 | USD | 20251022 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 918.91 | USD | 20251022 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 944.27 | USD | 20251022 |