| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1195.4 | USD | 20250922 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1209.46 | USD | 20250922 |
| Befar Group Co., Ltd. | China national standards | MT | 886.0 | USD | 20250922 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1195.4 | USD | 20250922 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1026.64 | USD | 20250922 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1237.59 | USD | 20250922 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1125.08 | USD | 20250922 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1265.72 | USD | 20250922 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1125.08 | USD | 20250922 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1125.08 | USD | 20250922 |