| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 819.8 | USD | 20251206 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 848.07 | USD | 20251206 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1116.62 | USD | 20251206 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 848.07 | USD | 20251206 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 791.53 | USD | 20251206 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 848.07 | USD | 20251206 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 989.41 | USD | 20251205 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 890.47 | USD | 20251205 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 961.14 | USD | 20251205 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 791.53 | USD | 20251205 |