| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.69 | USD | 20251210 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1017.62 | USD | 20251210 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1102.43 | USD | 20251210 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 989.36 | USD | 20251210 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 989.36 | USD | 20251210 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 989.36 | USD | 20251210 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 975.22 | USD | 20251210 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1201.36 | USD | 20251210 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1272.03 | USD | 20251210 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 989.36 | USD | 20251210 |