Changzhou Langke Energy Saving Technology Co., Ltd. Was established in 2018 and is located in Wujin National High-tech Industrial Development Zone, Changzhou, Jiangsu. Specializing in research and development, production, sales and after-sales service of insulating glass and built-in sunshade insulating glass.

The company is equipped with advanced venetian blinds unit, precise double cutter head cutting and unloading machine, automatic film combination, argon gas filling, and automatic gluing assembly line. Independently trained a team of skilled, quality-conscious and dedicated employees. The company mainly undertakes the projects of magnetically controlled built-in louvered insulating glass (two-glass, three-glass and two cavities) and insulating glass as well as various louver shading systems for decorative doors and windows of MID-to-high-end residential areas and commercial buildings. The company has an annual output of about 100, 000 square meters of hollow louvers.