Harbin Huasin Energy-saving doors and Windows Co., Ltd. introduces advanced European door and window production technology, manufacturing technology and first-class professional door and window production equipment to produce energy-saving aluminum-clad doors and windows, ecological wood-aluminum composite doors and windows, Chinese antique doors and windows, low-carbon aluminum alloy doors and windows, wooden houses, curtain walls and sun rooms.

The company takes R&D independent intellectual property rights as the core of its development, and owns more than 200 invention patents, appearance patents and utility model patents.