| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 944.09 | USD | 20251016 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 986.36 | USD | 20251016 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 986.36 | USD | 20251016 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 972.27 | USD | 20251016 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 986.36 | USD | 20251016 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1085.0 | USD | 20251016 |
| Liaocheng Runheng Chemical Trading Co., Ltd. | China national standards | MT | 930.0 | USD | 20251016 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 986.36 | USD | 20251016 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 944.09 | USD | 20251016 |