| Vendor | Spec | Unit | Price | Currency | Date |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 345.2 | USD | 20251020 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.79 | USD | 20251020 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 366.34 | USD | 20251020 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 401.56 | USD | 20251020 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 436.79 | USD | 20251020 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 324.07 | USD | 20251020 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 352.25 | USD | 20251020 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 986.29 | USD | 20251020 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 634.04 | USD | 20251020 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 436.79 | USD | 20251020 |