| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1000.38 | USD | 20251020 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 986.29 | USD | 20251020 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1056.74 | USD | 20251020 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 929.93 | USD | 20251020 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 918.66 | USD | 20251020 |
| Zhejiang Petroleum&Chemical Co., Ltd. | China national standards | MT | 929.93 | USD | 20251020 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 918.66 | USD | 20251020 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1049.69 | USD | 20251020 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1091.96 | USD | 20251020 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 986.29 | USD | 20251020 |