| Vendor | Spec | Unit | Price | Currency | Date |
| Yancheng SUPER Chemical Technology Co., Ltd. | China national standards | MT | 925.09 | USD | 20250919 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 918.06 | USD | 20250919 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 787.31 | USD | 20250919 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 787.31 | USD | 20250919 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 913.85 | USD | 20250919 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 913.85 | USD | 20250919 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 927.9 | USD | 20250919 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 941.96 | USD | 20250919 |