| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1028.84 | USD | 20251022 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1028.84 | USD | 20251022 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 958.37 | USD | 20251022 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 845.62 | USD | 20251022 |
| Hebei Risun Energy Limited | China national standards | MT | 958.37 | USD | 20251022 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 845.62 | USD | 20251022 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 873.81 | USD | 20251022 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 986.55 | USD | 20251022 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 845.62 | USD | 20251022 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 845.62 | USD | 20251022 |