| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.36 | USD | 20251112 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 762.36 | USD | 20251112 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 847.06 | USD | 20251112 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 762.36 | USD | 20251112 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 903.53 | USD | 20251112 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 762.36 | USD | 20251112 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 804.71 | USD | 20251112 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.36 | USD | 20251112 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 762.36 | USD | 20251112 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 804.71 | USD | 20251112 |