| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1270.59 | USD | 20251112 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1200.01 | USD | 20251112 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1200.01 | USD | 20251112 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1129.42 | USD | 20251112 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1157.65 | USD | 20251112 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1129.42 | USD | 20251112 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1246.59 | USD | 20251112 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1128.89 | USD | 20251111 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1270.0 | USD | 20251111 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1128.89 | USD | 20251111 |