Dark blue city is changed greatly (600230.SH) issues announcement, the company produces per year project of 200 thousand tons of double phenolic A, recently put into production, yield get together eligible product of A of carbolic class double phenol. This project is company polycarbonate device build project of raw material of form a complete set oneself, be located in Heibei to save city of dark blue state to face area of garden of harbor chemical industry, cover an area of about 99.5 mus, the design is produced can be produce per year 200 thousand tons. Double phenolic A regards company polycarbonate as the main raw material of the product, the put into production of this project, be helpful for improving the quality of polycarbonate product, reduce the manufacturing cost of the product, strengthen a business fight risk ability and core competition ability.