| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1213.46 | USD | 20251119 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1072.36 | USD | 20251119 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1072.36 | USD | 20251119 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1072.36 | USD | 20251119 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1213.46 | USD | 20251119 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1030.03 | USD | 20251119 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1181.0 | USD | 20251119 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1241.68 | USD | 20251119 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 959.48 | USD | 20251119 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1128.8 | USD | 20251119 |