This case is a complete courtyard composed of three kinds of communication spaces: neighborhood space, natural space, family space and private interior space, which is the transformation from the space characteristics of traditional courtyard houses to the space image of Yan'an. The designer pursues a concise, vivid and harmonious atmosphere of the courtyard. In the way of proportion, emphasis and metaphor, the designer interprets the unique beauty of the courtyard from the aspects of spatial relationship, light and shadow change, indoor and outdoor space circulation and penetration.

Chunlei Sun, vice president of the 6th branch of Gold Mantis. He has been engaged in the design industry for nearly 20 years. He has completed many high complexity design projects, and won unanimous praise in the industry with professional ability and rigorous attitude. At the same time, he has made great achievements in many domestic and foreign design competitions. As a well-known enterprise in China, Gold Mantis undertakes very important design responsibility. Chunlei Sun is fully aware of his responsibilities, and has always adhered to good design. He believes that good design will be handed down from generation to generation.

With headquarter in Suzhou, China, Gold Mantis was founded in 1993. After over 20 years of development, it has grown into a modernized corporate group with " decoration industry as the main body with e-business and finance as its two wings". With over 100 branch companies both domestic and overseas and over 20,000 employees, the Group is a frontier in green, environmental and healthy public and home decoration industry. Gold Mantis Construction Decoration under the Group was the first listed company in China's decoration industry in 2006. The Company has been ranked as the first place among Top 100 Decoration Companies in China for 17 years in a row. With113 Luban awards and 405 national awards for decoration, it is the company winning the most awards at national level. Being Top 500 Private Companies in China, Top 500 Companies on Service Industry in China, Top 80 ENR Contractors in China and Top 60 Engineering Design Companies in China, it is selected as the Top 10 most respectable listed companies and Award of Business Moralities for Corporate Citizenship in China. It was conferred Top 50 Listed Companies in Asian Pacific Regions by Forbes, for three consecutive years, and Top 50 Small and Medium Enterprise Board Listed Companies and Top 10 Management Teams for five years in succession.