| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 998.2 | USD | 20250921 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1124.73 | USD | 20250920 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1152.85 | USD | 20250920 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 998.2 | USD | 20250920 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1237.21 | USD | 20250920 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1054.44 | USD | 20250920 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1096.61 | USD | 20250920 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1096.61 | USD | 20250920 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1047.41 | USD | 20250920 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 984.14 | USD | 20250920 |