| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 919.61 | USD | 20250909 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 901.31 | USD | 20250909 |
| Zhejiang Finance Trade Supply CHAIN Management Co., Ltd. | China national standards | MT | 943.28 | USD | 20250908 |
| Zhejiang Finance Trade Supply CHAIN Management Co., Ltd. | China national standards | MT | 802.49 | USD | 20250908 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 760.25 | USD | 20250908 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 760.25 | USD | 20250908 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 760.25 | USD | 20250908 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 760.25 | USD | 20250908 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 774.33 | USD | 20250908 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 760.25 | USD | 20250908 |