Strong Xin doors and windows it is a brand invested by Hong Kong people. The headquarters is in Shanghai. The brand must be, but they are trading companies. It is not clear whether there are factories.
The brand of strong Xin system doors and windows belongs to strong international trade (Shanghai) Co., Ltd. It is a Hong Kong-owned enterprise. Strong Xin system doors and windows set German high-end system doors and windows, broken bridge aluminum doors and windows, aluminum alloy doors and windows, sun room product research and development.
Strong Xin doors and windows it is a modern enterprise integrating product research and development, production, sales, installation and after-sales.
