सस्ते कीमत कार्यालय काले तूफान प्रभाव घर विंडोज डबल घुटा हुआ एल्यूमीनियम फिसलने खिड़की

This project is an 238 units apartment project in Philadelphia, U S A. We supply sliding doors, casement Windows and glass curtain walls for this project, We design new window system for this project to meet the client's need, Our design has been brought the value of easy & cost saving installation to the client. the total materials cost of the whole project is also lower down. After the installation of the apartment, the customer is very satisfied, which has laid a good foundation for the follo