About Us

• Tianrun Hengji Conserve Energy Tech. Door and Window Ltd., professionalizes in manufacturing, marketing and service of hollow glass door and window with sandwiched blinds by magnetic induction driving as Beijing Tianrun Hengji Conserve Energy Tech. Door and Window Co. Ltdll as curtain wall engineering. It is a joint-stock enterprise with a total investment of 20 million RMB. The company locates at the south of Beijing Economic Development Zone (Yizhuang) with a covering area of 30 acres and plant building area of 16, 000 square meters.The companys advantages: it is the first one which established intelligent semi-automatic assembly line of hollow glass with sandwiched blinds as well as a higher level over Chinese-standard in manufacturing door, window and curtain wall. It is also the first company which applies intelligent management to the production of hollow glass with sandwiched blinds successfully. With more than 300 production workers, over 200 workers of installation and engineering, and 50 management staff, the company has a production capacity of hollow glass with sandwiched blinds of 800, 000 square meters, doors & windows curtain wall about 300, 000 square meters, Based on its independent products configuration, quality control and research and development capabilities, the company ranks top in the world in the field of producing energy-saving windows and doors and curtain walls.