| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 409.19 | USD | 20251119 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 423.3 | USD | 20251119 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 437.41 | USD | 20251119 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1044.14 | USD | 20251119 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.3 | USD | 20251119 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 409.19 | USD | 20251119 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 409.19 | USD | 20251119 |
| Shandong Yushuo Chemical Co., Ltd. | 90% | MT | 536.18 | USD | 20251119 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 409.19 | USD | 20251119 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 409.19 | USD | 20251119 |