| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 932.82 | USD | 20251210 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 946.96 | USD | 20251210 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 925.76 | USD | 20251210 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 932.82 | USD | 20251210 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 932.82 | USD | 20251210 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 890.42 | USD | 20251210 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 918.69 | USD | 20251210 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 989.36 | USD | 20251210 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 904.56 | USD | 20251210 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 904.56 | USD | 20251210 |