| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.39 | USD | 20251118 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.39 | USD | 20251118 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 437.51 | USD | 20251118 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 366.94 | USD | 20251118 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.39 | USD | 20251118 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1129.05 | USD | 20251118 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1030.26 | USD | 20251118 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 338.72 | USD | 20251118 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.09 | USD | 20251118 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 366.94 | USD | 20251118 |