| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 700.46 | USD | 20250808 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 784.51 | USD | 20250808 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 770.5 | USD | 20250808 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 756.49 | USD | 20250808 |
| Anhui Ruibai New Material Co., Ltd. | China national standards | MT | 812.95 | USD | 20250807 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 686.8 | USD | 20250807 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 686.8 | USD | 20250807 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 742.87 | USD | 20250807 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 784.92 | USD | 20250807 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 770.9 | USD | 20250807 |