| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 985.98 | USD | 20251015 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 845.13 | USD | 20251015 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 915.56 | USD | 20251015 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 816.96 | USD | 20251015 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1056.41 | USD | 20251015 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 845.13 | USD | 20251015 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1183.18 | USD | 20251015 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 844.82 | USD | 20251014 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1056.03 | USD | 20251014 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 788.5 | USD | 20251014 |