| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1253.38 | USD | 20250909 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1281.55 | USD | 20250909 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1105.51 | USD | 20250909 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1042.14 | USD | 20250909 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1126.63 | USD | 20250909 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1056.22 | USD | 20250909 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 999.59 | USD | 20250908 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 999.59 | USD | 20250908 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1027.75 | USD | 20250908 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1069.99 | USD | 20250908 |