| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 932.28 | USD | 20251202 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 932.28 | USD | 20251202 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 889.91 | USD | 20251202 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 875.78 | USD | 20251202 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 932.28 | USD | 20251202 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 946.41 | USD | 20251202 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 974.66 | USD | 20251202 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 791.03 | USD | 20251202 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 904.03 | USD | 20251202 |
| Hebei Risun Energy Limited | China national standards | MT | 960.53 | USD | 20251202 |