| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 791.03 | USD | 20251202 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 748.65 | USD | 20251202 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 847.53 | USD | 20251202 |
| Liaocheng Jinxinda New Material Co., Ltd. | China national standards | MT | 783.96 | USD | 20251202 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 791.03 | USD | 20251202 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 988.78 | USD | 20251202 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 748.65 | USD | 20251202 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.78 | USD | 20251202 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 748.65 | USD | 20251202 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 932.28 | USD | 20251202 |