Nanjing Kuoman Doors and Windows Co., Ltd. focuses on the Chinese retro doors and windows courtyard series - Republican style series cultural and tourism project series. Aluminum alloy frame flower grid - hanging - railing - eaves rafters - beauty leaning against a pavilion, a long corridor and other aluminum alloy aluminum wood components. The 6000 square meter large processing plant is located at No. 16 Xiangfeng Road, Binjiang Development Zone, Jiangning District, Nanjing, Jiangsu.

Guanshu Sunshine is the company's product brand, mainly undertaking aluminum alloy antique construction projects such as villa courtyard houses, Republican style project renovations, rural self built houses, cultural and tourism projects, homestays, wine and tea houses, office buildings, schools, ancestral temples, scenic gardens, etc.