| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 401.29 | USD | 20251014 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 633.62 | USD | 20251014 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 633.62 | USD | 20251014 |
| Jiangxi Xinmao Chemical Co., Ltd. | 90% | MT | 549.13 | USD | 20251014 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 436.49 | USD | 20251014 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 633.74 | USD | 20251013 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 563.32 | USD | 20251013 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 468.97 | USD | 20251013 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 1042.15 | USD | 20251013 |
| Zhongyin New Materials (Jinan) Co., Ltd. | 90% | MT | 450.66 | USD | 20251013 |