... 500 employee and 50 senior engineer . The gypsum production machinery line has been exported to many country, such as ... ton annual ,price FOB 380000 dollars basic.Gypsum block machinery line capacity from 150000 to 1000000 sq m annual, ... 250000 dollars basic. Gypsum board machinery line Plasterboard machinery line Gypsum powder machinery line Gypsum block machinery line I expect cooperation with you . ...