| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.63 | USD | 20251117 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 367.15 | USD | 20251117 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 437.75 | USD | 20251117 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 338.91 | USD | 20251117 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 564.84 | USD | 20251117 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 367.15 | USD | 20251117 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 564.84 | USD | 20251117 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 586.03 | USD | 20251117 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 338.91 | USD | 20251117 |
| Shandong Yushuo Chemical Co., Ltd. | 90% | MT | 466.0 | USD | 20251117 |