| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 720.81 | USD | 20251203 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 720.81 | USD | 20251203 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 819.28 | USD | 20251202 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 819.28 | USD | 20251202 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 932.28 | USD | 20251202 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 946.41 | USD | 20251202 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 925.22 | USD | 20251202 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 932.28 | USD | 20251202 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 932.28 | USD | 20251202 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 889.91 | USD | 20251202 |