| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 847.71 | USD | 20251127 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 847.71 | USD | 20251127 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 904.22 | USD | 20251127 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1031.13 | USD | 20251126 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 988.76 | USD | 20251126 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 932.26 | USD | 20251126 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 1031.13 | USD | 20251126 |
| Hebei Risun Energy Limited | China national standards | MT | 960.51 | USD | 20251126 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 847.51 | USD | 20251126 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 889.88 | USD | 20251126 |