The chairman of Frey Architekten Mr. Wolfgang Frey and the general manager of Shanghai Landleaf Technology, Ltd. Mr. Dongliang Chen signed the strategic cooperation agreement, representing the two parties respectively. The CTO & vice-president of Landsea Group, Chairman-in-Office of Passive House Alliance of China Mr. Yuanjian Xie, secretary-general of Passive House Alliance of China Mr. Zhiyong Xu, Partner & China Regional CEO of Frey Architekten Group Ms. Jiangkun Wang attended and witnessed the ceremony.

According to agreement, both parties will combine their own market leading advantages, share information resources, complement abilities and business advantages and form a comprehensive professional service system supported and maintained by planning, technical consulting, architectural design, equipment purchase, construction supervision and later operation