| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1279.38 | USD | 20250919 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1103.64 | USD | 20250919 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1068.5 | USD | 20250919 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1026.32 | USD | 20250919 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1068.5 | USD | 20250919 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1026.32 | USD | 20250919 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1054.44 | USD | 20250919 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1124.73 | USD | 20250919 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1124.73 | USD | 20250919 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1124.73 | USD | 20250919 |