| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 845.13 | USD | 20251015 |
| Shandong Yushuo Chemical Co., Ltd. | Industrial Grade | MT | 845.13 | USD | 20251015 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 816.96 | USD | 20251015 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 647.93 | USD | 20251015 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 845.13 | USD | 20251015 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 845.13 | USD | 20251015 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 845.13 | USD | 20251015 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1014.16 | USD | 20251015 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 845.13 | USD | 20251015 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1028.24 | USD | 20251015 |