| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 403.81 | USD | 20250822 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 399.6 | USD | 20250822 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 532.8 | USD | 20250822 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1023.54 | USD | 20250822 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 630.95 | USD | 20250822 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 630.95 | USD | 20250822 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 448.89 | USD | 20250821 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 448.89 | USD | 20250821 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 462.92 | USD | 20250821 |
| Shandong Qiancheng New Materials Co., Ltd. | 90% | MT | 392.78 | USD | 20250821 |