Intelligent Manufacturing Factory for Steel Structures


Feilong Steel Structure Intelligent Manufacturing Factory is the only enterprise with special qualification for steel structure processing and manufacturing in Yanwei area, and is also the steel structure Prefabricated building industrial base in Yantai City. The factory has a construction area of 80000 square meters, with over 600 production and testing equipment, 4 light steel production lines, and 3 heavy steel production lines, with an annual processing capacity of 60000 tons. The factory is equipped with advanced equipment such as intelligent production line for box shaped components, numerical control intersecting tangent line, numerical control plasma cutting, numerical control 3D drilling machine, intelligent welding robot, profile steel cutting robot, etc., which can process and manufacture products such as large-span Space frame structures, multi-storey and high-rise heavy steel and light steel structures, space grid structures, bridge steel structures, etc.

Steel structure products

Factory exterior

Factory exterior

Factory interior

Factory interior

Plasma cutting machine

Plasma cutting machine

3D CNC drilling machine

3D CNC drilling machine

Double wire double head AC/DC submerged arc welding machine

Double wire double head AC/DC submerged arc welding machine

Intelligent steel cutting robot

Intelligent steel cutting robot

Intelligent welding robot

Intelligent welding robot

DJ1000 CNC Gantry Corner Band Sawing Machine

DJ1000 CNC Gantry Corner Band Sawing Machine

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Intelligent manufacturing factory for doors and windows


Yantai Feilong Building Curtain Wall Doors and Windows Co., Ltd., affiliated to Feilong Group, was founded in 1992 and registered as a limited liability company in 2005. We are a professional production enterprise that integrates the design, production, and installation of aluminum wood composite doors and windows, aluminum alloy bridge and fire-resistant windows, building curtain walls, and insulating glass. We have the first level qualification for manufacturing and installing building door and window products, and the second level qualification for designing and constructing building curtain wall engineering.


The registered capital of the company is 50 million yuan, with an existing production workshop area of 30000 square meters, an annual processing capacity of 500000 square meters, and an annual output value of over 200 million yuan. The company has more than 50 technicians, intermediate and senior technical personnel, and more than 180 skilled operators. The workshop now has 10 production lines for aluminum, wood, plastic doors and windows and insulating glass equipment, more than 70 sets of main processing and testing equipment, and has precise intelligent door and window processing centers at home and abroad, full-automatic plastic steel welding and cleaning lines, full-automatic CNC corner machine lines, full-automatic glass cutting machines and hollow Glass production production lines.


The company passed ISO9001 quality management system, ISO14001 environmental management system, and OHSAS18001 occupational health and safety management system certifications in 2000. It is the first door and window enterprise in Shandong Province to pass AS2047 product certification in Australia and New Zealand, and successfully passed NFRC certification in the United States in 2019. Currently, door and window products have been exported to Australia, the Americas, and Southeast Asian countries.


For many years, the company has been committed to the research, development, design, and innovation of high-performance door, window, and curtain wall products. There is a provincial-level "one enterprise, one technology" research and development center, which has been recognized as a "high-tech enterprise" and "gazelle enterprise" at the provincial level. Through continuous innovation in recent years, the company has obtained 42 national patents issued by the National Intellectual Property Patent Office, including 6 invention patents, 24 utility model patents, and 12 design patents.


At present, the company's business scope has covered all parts of the country, and has cooperated with and signed strategic agreements with domestic well-known real estate developers such as Yuexiu, China Merchants, Poly, China Resources, Baolong, MCC, CSCEC, Xincheng Holdings, Zhongnan, Sansheng, Beijing Tus, etc. The company has been rated as the only "A-level supplier" of the year by construction units such as China Resources Land, Xincheng Holdings, etc.

Door and window products

Factory exterior

Factory exterior

Factory interior

Factory interior

Intelligent Door and Window Production Line

Intelligent Door and Window Production Line

Aluminum profile multi head combination drilling machine

Aluminum profile multi head combination drilling machine

Aluminum profile sawing processing center

Aluminum profile sawing processing center

Fully automatic glass cutting machine

Fully automatic glass cutting machine

Full automatic insulating Glass production production line

Full automatic insulating Glass production production line

Fully automatic corner assembly line for aluminum doors and windows

Fully automatic corner assembly line for aluminum doors and windows

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