| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 521.64 | USD | 20251021 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 585.08 | USD | 20251021 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 437.05 | USD | 20251021 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 563.94 | USD | 20251021 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 437.05 | USD | 20251021 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 521.64 | USD | 20251021 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 437.05 | USD | 20251021 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 437.05 | USD | 20251021 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1043.28 | USD | 20251021 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 469.48 | USD | 20251021 |