| Vendor | Spec | Unit | Price | Currency | Date | 
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 394.65 | USD | 20251017 | 
| China national standards | MT | 295.99 | USD | 20251017 | |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 387.6 | USD | 20251017 | 
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 366.46 | USD | 20251017 | 
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 422.84 | USD | 20251017 | 
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 394.65 | USD | 20251017 | 
| China national standards | MT | 422.84 | USD | 20251017 | |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 366.46 | USD | 20251017 | 
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 373.51 | USD | 20251017 | 
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 352.37 | USD | 20251017 |