| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1333.24 | USD | 20251031 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 987.58 | USD | 20251031 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1107.51 | USD | 20251031 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1227.43 | USD | 20251031 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1290.91 | USD | 20251031 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1333.24 | USD | 20251031 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1199.21 | USD | 20251031 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.16 | USD | 20251031 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1185.1 | USD | 20251031 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1199.21 | USD | 20251031 |