| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 989.08 | USD | 20251209 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 918.43 | USD | 20251209 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 922.67 | USD | 20251209 |
| Yancheng SUPER Chemical Technology Co., Ltd. | China national standards | MT | 929.73 | USD | 20251209 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 904.3 | USD | 20251209 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 904.3 | USD | 20251209 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 791.26 | USD | 20251209 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 777.13 | USD | 20251209 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 734.74 | USD | 20251209 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 720.61 | USD | 20251209 |