| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1012.63 | USD | 20251009 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 914.18 | USD | 20251009 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1097.02 | USD | 20251009 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1125.14 | USD | 20251009 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1111.08 | USD | 20251009 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1097.02 | USD | 20251009 |
| Sinopec Shanghai Gaoqiao Petrochemical Company | China national standards | MT | 963.4 | USD | 20251009 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 928.24 | USD | 20251009 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 942.31 | USD | 20251009 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1104.05 | USD | 20251009 |