| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 937.7 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 902.45 | USD | 20251023 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 909.5 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | Industrial Grade | MT | 909.5 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 944.75 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 846.05 | USD | 20251023 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 951.8 | USD | 20251023 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 796.69 | USD | 20251023 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1015.26 | USD | 20251023 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 803.75 | USD | 20251023 |