| Vendor | Spec | Unit | Price | Currency | Date |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1176.75 | USD | 20250919 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1138.79 | USD | 20250919 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1044.6 | USD | 20250919 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1265.32 | USD | 20250919 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 956.02 | USD | 20250919 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1089.58 | USD | 20250919 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1169.72 | USD | 20250919 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1195.03 | USD | 20250919 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1209.09 | USD | 20250919 |