| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 927.43 | USD | 20251017 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 761.11 | USD | 20251017 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 930.25 | USD | 20251017 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 902.06 | USD | 20251017 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 902.06 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 902.06 | USD | 20251017 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 930.25 | USD | 20251017 |
| Yancheng SUPER Chemical Technology Co., Ltd. | China national standards | MT | 838.63 | USD | 20251017 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 761.11 | USD | 20251017 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 761.11 | USD | 20251017 |