| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 1077.95 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1172.36 | USD | 20251016 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1606.36 | USD | 20251016 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1831.81 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1183.63 | USD | 20251016 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 922.95 | USD | 20251016 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1127.27 | USD | 20251016 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1127.27 | USD | 20251016 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1606.36 | USD | 20251016 |