| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 847.89 | USD | 20251208 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 847.89 | USD | 20251208 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 946.81 | USD | 20251208 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 939.74 | USD | 20251208 |
| Shandong Langcheng Chemical Co., Ltd. | Industrial Grade | MT | 911.48 | USD | 20251208 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 911.48 | USD | 20251208 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 904.41 | USD | 20251208 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 890.28 | USD | 20251208 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 890.28 | USD | 20251208 |
| Shandong Jinshengrun Chemical Co., Ltd. | Industrial Grade | MT | 890.28 | USD | 20251208 |