Limited by Share Ltd, Tianjin, Lian Jilon, doors and windows It was jointly established by Tianjin jiilong door and window Engineering Co., Ltd. and Tianjin lien Construction Engineering Group (civil engineering qualification), and was established in 2010. The company is a professional door and window production and research and development company, which integrates R & D, production, sales, technology and service. It mainly focuses on the manufacture and manufacture of windows and windows and doors and windows and doors and windows. At the same time, for the training base of Tianjin land and resources and housing Career Academy, the training of college students and graduation entry is completed, the school enterprise cooperation is carried out, and many scientific and technological achievements have been successfully completed. The company is located in Tianjin self created Industrial Park (Haier) Tianjin Innovation Industrial Park, Tianjin, Tianjin City, eight ritai town Taida (Jinnan) microelectronic Industrial Park Kota Road No. 1, registered capital of 6 million yuan.

The company is committed to The production capacity of aluminum alloy doors and windows, plastic steel doors and windows and all kinds of curtain wall products with high standard and energy saving type is 150000 square meters per year, and the product is successfully transported to nearly 50000 square meters in the world. In cooperation with the Korean national pine yuan Co., Ltd., the Pneumatic Window, a patent product "pneumatic window", is used for ventilation and smoke exhaust windows in large factories and stadiums and venues. It is a good energy saving and emission reduction product. The economic and social benefits of the product have been welcomed and praised by the industry and users and design departments after the market is put into the market. At present, it has been used in all 14 construction projects of Korean modern automobile in China. It has reached a long-term strategic partnership with the South Korea Anke construction, Beijing modern motor vehicle, hymaster, Demos, park worth and Al Tai Ke. Pneumatic windows can achieve low energy consumption and high environmental protection for the production enterprises, thus ensuring the good health of the indoor workers and the safe operation of the facilities. At present, it has been extended to all design institutes in Tianjin, and is working with the relevant design departments to formulate industry standards on the basis of enterprise standards and make extensive promotion. The company adheres to the goal of outward development and has joined the China Import and Export Fair (Canton Fair) since 2011. Products have been exported to Europe, South America, North America, Africa, Southeast Asia and other countries and regions, and export countries have reached 15 countries. The company takes advantage of the Canton Fair, Alibaba international website, ETW international, Google, international trade alliance and other platforms to seize opportunities to carry out foreign trade.

The company is in line with Quality first and integrity serve the purpose of serving customers both at home and abroad. It has two grade qualification for metal door and window engineering, and the executive member of Tianjin steel structure and window curtain wall Committee. In the past few years, it has completed Tianjin housing reform, Wuqing, Jinghai and other 300 thousand square meters of civil windows and doors projects, and completed the pneumatic windows and doors and windows of the modern automobile Dai Moss factory in Ziyang, Sichuan, and the modern motor vehicle of Yancheng. The production and installation of the air windows, the high grade energy saving doors and windows, the curtain wall of the modern Shandong sunshine modern modern mosaic, Demos, park worth and Alcatel air compressor, Southeast Beijing die-casting, Hebei Cangzhou modern automobile 4 factory and the ongoing Chongqing modern automobile 5 factory and other industrial projects.
The pneumatic window automatic remote control system developed by the company has won the national scientific and technological progress award in 2014. It has completed 7 items and 12 utility models, and was evaluated as the small and medium sized enterprise of science and technology in Tianjin. In 2015, it was appraised as a high-tech enterprise in Tianjin. Through the 9000 quality certification system, it laid a good foundation for the development of enterprises. It was successfully listed on the Tianjin seaside exchange in March 2016. In October 2017, our company was named 3A trustworthy enterprise in Bohai rim. The growth of every step has laid a solid foundation for the internationalization of the company.

Enterprise strength

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Application place


One-stop service

Free design drawings for door-to-door measurements


Products through ISO9000 authentication

Material reassuring

The materials used are in conformity with the national standard of construction

Service guarantee

Two years of free maintenance, life-long maintenance