| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.27 | USD | 20251107 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 409.4 | USD | 20251107 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 988.2 | USD | 20251107 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.28 | USD | 20251107 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 430.57 | USD | 20251107 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 324.69 | USD | 20251107 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.81 | USD | 20251107 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1030.55 | USD | 20251107 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 437.63 | USD | 20251107 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.51 | USD | 20251107 |