| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 437.12 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 406.1 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | 90% | MT | 451.23 | USD | 20251023 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 |
| Jinan Jinrihe Chemical Co., Ltd. | 90% | MT | 352.52 | USD | 20251023 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 535.83 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 401.87 | USD | 20251023 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 437.12 | USD | 20251023 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 324.32 | USD | 20251023 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 394.82 | USD | 20251023 |