longjiang chemical’s 260,000 tons/year polycarbonate joint project key device put into production
on the evening of december 16, the production process of longjiang chemical’s annual 200,000-ton bisphenol a project was opened, and qualified products were successfully produced in one start-up, marking the first phase of the polycarbonate joint project the most complex and critical parts of the engineering process have been completed. longjiang chemical’s annual output of…

