Which factories in China are currently producing phthalic aniline?
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Which factories in China are currently producing m-phenylenediamine? What are their operation rates and annual production volumes? Our new product requires m-phenylenediamine, and I need to do some research on this. I hope those with more experience can offer some guidance; thank you.
What new products have you launched? ?
Zhejiang Longsheng, Sichuan Hongguang, and Jiangsu Tianjiayi are the three largest manufacturers.
Thank you, but Zhejiang Longsheng – the company that is registered in Zhejiang to produce phthalic aniline – seems to not be Longsheng itself; it’s rather a downstream subsidiary.
It is produced by Zhejiang Annuo Fangamine Company, which is a subsidiary of Longsheng
Our company possesses a mature production process for m-phenylenediamine, which relies on a liquid-phase hydrogenation method. The main raw materials required for its production are ***benzene and hydrogen. Taking into account the availability of these raw materials, the production of m-phenylenediamine involves several key steps including nitration, hydrogen production, reduction, and product purification. This project employs a clean production process, resulting in very little wastewater generation. Contact number: 13730911726; the same number is available on WeChat. Feel free to call for communication
This post was last edited by dgq1978 on 2023-5-9 15:20. ? ?
DeAnde invested heavily; I heard that the testing didn’t go very well, and with the 3.21 accident as well, is it still possible for it to be driven? Also, has the issue with the raw materials been resolved?
There are many experts in it; feel free to contact me if you need an exit route
No, it’s the technology from Qingdao University of Science and Technology