| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 985.54 | USD | 20250916 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 915.14 | USD | 20250916 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 901.07 | USD | 20250916 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 746.2 | USD | 20250916 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 844.75 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.59 | USD | 20250916 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 774.35 | USD | 20250916 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 915.14 | USD | 20250916 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 915.14 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.59 | USD | 20250916 |