易城股份成立于2004年，作为ECS/易城国际的主营业务及核心。是具有国际化 视野、融入国际化理念、拥有国际化人才、而又根植于本土文化和环境的融城市规划设计、建筑设计、景观设计、城市策划、旅游规划、城市节能环保于一体的国际化一站式城市发展服务商。

“国际视野、本土落地、价值经营、专业服务”是公司的经营理念，“恪守诚信、以人为本、开拓创新、持续成功”是公司的核心价值观。挖掘城市价值、塑造城市个性、创造城市生命力是公司的使命，成为国际一流的一站式城市发展服务商是公司愿景。

Founded in 2004, ECS Engineering Consulting Service GmbH, as the primary business and core of ECS, is a one-stop urban development service provider with international vision, concepts & talents, rooted in local cultures & environment, and integrating urban design, architectural design, landscape design, urban planning, tourism planning and urban energy saving & environmental protection.

"Think globally, act locally, value oriented and professional services" are the business philosophy of the company; "integrity, people oriented, Innovation and sustained success" are the company's core values. Digging urban value, building urban character and creating urban viability are the missions of the company; to become an international first-class one-stop urban development service provider is the company's vision.