| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 886.67 | USD | 20250904 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 971.12 | USD | 20250904 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 957.05 | USD | 20250904 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 942.97 | USD | 20250904 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 956.29 | USD | 20250903 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 885.98 | USD | 20250903 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 886.21 | USD | 20250902 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 928.41 | USD | 20250902 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 886.21 | USD | 20250902 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 970.61 | USD | 20250902 |