| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 791.52 | USD | 20250809 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 896.58 | USD | 20250809 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 914.8 | USD | 20250809 |
| Yancheng SUPER Chemical Technology Co., Ltd. | China national standards | MT | 921.8 | USD | 20250809 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 896.58 | USD | 20250809 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 784.51 | USD | 20250809 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 868.57 | USD | 20250809 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 910.59 | USD | 20250809 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 980.64 | USD | 20250809 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 763.5 | USD | 20250808 |