| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 364.72 | USD | 20250821 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 343.68 | USD | 20250821 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 350.7 | USD | 20250821 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 371.74 | USD | 20250821 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 371.74 | USD | 20250821 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 350.7 | USD | 20250821 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 282.98 | USD | 20250820 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 282.98 | USD | 20250820 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 350.22 | USD | 20250820 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 350.22 | USD | 20250820 |