| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 981.95 | USD | 20250821 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 771.53 | USD | 20250821 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2174.31 | USD | 20250821 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 785.56 | USD | 20250821 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2146.25 | USD | 20250821 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 911.81 | USD | 20250821 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2146.25 | USD | 20250821 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 841.67 | USD | 20250821 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2146.25 | USD | 20250821 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 785.56 | USD | 20250821 |