| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1280.17 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1113.81 | USD | 20251024 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 986.92 | USD | 20251024 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 919.37 | USD | 20251023 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 919.37 | USD | 20251023 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 1064.61 | USD | 20251023 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 919.37 | USD | 20251023 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 919.37 | USD | 20251023 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1170.37 | USD | 20251023 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 958.85 | USD | 20251023 |