| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 944.09 | USD | 20251016 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 986.36 | USD | 20251016 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1204.77 | USD | 20251016 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 986.36 | USD | 20251016 |
| Liaocheng Runheng Chemical Trading Co., Ltd. | China national standards | MT | 930.0 | USD | 20251016 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 986.36 | USD | 20251016 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1296.36 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1303.4 | USD | 20251016 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 986.36 | USD | 20251016 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 958.18 | USD | 20251016 |