| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1513.74 | USD | 20251211 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1824.97 | USD | 20251211 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1177.04 | USD | 20251211 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1697.65 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1513.74 | USD | 20251211 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1174.21 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1513.74 | USD | 20251211 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1570.33 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1513.74 | USD | 20251211 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1177.04 | USD | 20251211 |