| Vendor | Spec | Unit | Price | Currency | Date |
| 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 Zhenkun New Materials Co., Ltd. | China national standards | MT | 987.92 | USD | 20251118 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1044.37 | USD | 20251118 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 409.28 | USD | 20251118 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 366.94 | USD | 20251118 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 409.28 | USD | 20251118 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 437.51 | USD | 20251118 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.39 | USD | 20251118 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 402.22 | USD | 20251118 |