| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1170.37 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1177.42 | USD | 20251023 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1198.57 | USD | 20251023 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1128.06 | USD | 20251023 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1029.36 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1173.19 | USD | 20251023 |
| Befar Group Co., Ltd. | China national standards | MT | 888.35 | USD | 20251023 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1121.01 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1198.57 | USD | 20251023 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1269.07 | USD | 20251023 |