| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 944.09 | USD | 20251016 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Hebei Risun Energy Limited | China national standards | MT | 958.18 | USD | 20251016 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 845.45 | USD | 20251016 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 880.68 | USD | 20251016 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1113.18 | USD | 20251016 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 845.45 | USD | 20251016 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 887.72 | USD | 20251016 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 1028.63 | USD | 20251016 |
| Panjin Read Chemical Co., Ltd. | China national standards | MT | 859.54 | USD | 20251016 |