| Vendor | Spec | Unit | Price | Currency | Date |
| Yancheng SUPER Chemical Technology Co., Ltd. | China national standards | MT | 753.11 | USD | 20251209 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 946.81 | USD | 20251208 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 925.61 | USD | 20251208 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 890.28 | USD | 20251208 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 819.63 | USD | 20251208 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 918.55 | USD | 20251208 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 989.2 | USD | 20251208 |