| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 917.76 | USD | 20251116 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1270.74 | USD | 20251115 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1306.04 | USD | 20251115 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 960.11 | USD | 20251115 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 931.87 | USD | 20251115 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 988.35 | USD | 20251115 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 931.87 | USD | 20251115 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 988.35 | USD | 20251115 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 974.23 | USD | 20251115 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 988.35 | USD | 20251115 |