| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1142.76 | USD | 20251027 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1213.3 | USD | 20251027 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1178.03 | USD | 20251027 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1206.25 | USD | 20251027 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1058.11 | USD | 20251027 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1213.3 | USD | 20251027 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1029.9 | USD | 20251027 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1142.76 | USD | 20251027 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1199.19 | USD | 20251027 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1220.36 | USD | 20251027 |