| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1116.88 | USD | 20251204 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 989.64 | USD | 20251204 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 890.67 | USD | 20251204 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 909.05 | USD | 20251204 |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 1074.46 | USD | 20251204 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 918.95 | USD | 20251204 |
| Zhejiang Petroleum&Chemical Co., Ltd. | China national standards | MT | 848.26 | USD | 20251204 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 933.09 | USD | 20251204 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 848.26 | USD | 20251204 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1131.01 | USD | 20251204 |