business license

Linyi City Construction Industrial Product Credit Certification Re

Shandong Province Building Energy saving Technology Product Applic

Safety Production License

Shandong Province Building Energy saving Technology Product Applic

Mount Taishan Cup (Golden Monkey Project) of Shandong Construction

Member of China Building Decoration Association

Shandong Province Integrity Construction Demonstration Enterprise

Director Unit of Linyi Construction Industry Products Association

Member unit of Shandong Construction Machinery Association

Backbone enterprise in the building doors, windows, and curtain wa

2022 Outstanding Supplier Award

Linyi Science and Technology Workers' Home

China Manufacturing Network Certified Supplier (SGS Certification)

Chinese small and medium-sized enterprise integrity demonstration

Leading enterprise in the door and window industry in Linyi City

Linyi City Model Unit for Respecting, Filial Piety, and Assisting

Excellent innovative achievement - detachable magnetic screen wind

Excellent Innovation Achievement - Green Energy saving Curtain Wal

Excellent Innovation Achievement - Intelligent Doors and Windows w

Construction Enterprise Qualification Certificate

Invention Patent - Welding Device for Metal Doors and Windows

Invention Patent - Tapping Equipment for Aluminum Alloy Door Frame

Top 100 Most Popular Window Brands in China