1. The actual effect and technical content of Tengmai doors and windows in Gaobeidian have reached the first-class level in air tightness, water tightness and sound insulation. Aluminum-magnesium alloy material, titanium-magnesium alloy material, aluminum-magnesium material is mainly composed of aluminum, and aluminum texture is relatively light. When aluminum is mixed with the United States, the strength of the product can be increased, making the product more functional.

2. Tengmai doors and windows is a well-known chain brand in China, which has a good reputation in China and is deeply loved by Chinese people. Gaobeidian Tengmai Doors and Windows Manufacturing Co., Ltd., established in 216, is located in Baoding City, Hebei Province, and is an enterprise mainly engaged in metal products industry. Through the analysis of big data of Tianyancha, there is one trademark information of Gaobeidian Tengmai Door and Window Manufacturing Co., Ltd.