| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 861.13 | USD | 20250812 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 847.13 | USD | 20250812 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 784.12 | USD | 20250812 |
| Anhui Ruibai New Material Co., Ltd. | China national standards | MT | 812.12 | USD | 20250812 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 686.1 | USD | 20250812 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 770.11 | USD | 20250812 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 784.12 | USD | 20250812 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 742.11 | USD | 20250812 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 700.1 | USD | 20250812 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 742.11 | USD | 20250812 |