| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1195.47 | USD | 20251009 |
| Befar Group Co., Ltd. | China national standards | MT | 886.05 | USD | 20251009 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1026.69 | USD | 20251009 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 956.37 | USD | 20251009 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1170.15 | USD | 20251009 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1209.53 | USD | 20251009 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1209.53 | USD | 20251009 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1174.37 | USD | 20251009 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1195.47 | USD | 20251009 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1209.53 | USD | 20251009 |