| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 761.94 | USD | 20251119 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 903.04 | USD | 20251119 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1354.55 | USD | 20251119 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 761.94 | USD | 20251119 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 831.08 | USD | 20251119 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.11 | USD | 20251118 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1100.82 | USD | 20251118 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 987.92 | USD | 20251118 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 762.11 | USD | 20251118 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 867.96 | USD | 20251118 |