| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 987.57 | USD | 20251027 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1093.38 | USD | 20251027 |
| Befar Group Co., Ltd. | China national standards | MT | 1086.33 | USD | 20251027 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1213.3 | USD | 20251027 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1213.3 | USD | 20251027 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 959.35 | USD | 20251027 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1128.65 | USD | 20251027 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1079.27 | USD | 20251027 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1128.65 | USD | 20251027 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1199.19 | USD | 20251027 |