| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 880.02 | USD | 20251014 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1056.03 | USD | 20251014 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 844.82 | USD | 20251014 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 816.66 | USD | 20251014 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 788.5 | USD | 20251014 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1140.51 | USD | 20251014 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 844.82 | USD | 20251014 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 985.62 | USD | 20251014 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 844.82 | USD | 20251014 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1182.75 | USD | 20251014 |