| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 890.35 | USD | 20251201 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 763.15 | USD | 20251201 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 756.09 | USD | 20251201 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 763.15 | USD | 20251201 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 763.15 | USD | 20251201 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 763.15 | USD | 20251201 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 918.61 | USD | 20251201 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 925.68 | USD | 20251201 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 932.74 | USD | 20251201 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 946.88 | USD | 20251201 |