A00 is amongst Shanghai's premiere architecture and interior design firms. One of their projects, the URBN Hotel, has garnered A00 with much acclaim. URBN Hotel is China's first carbon neutral hotel, and as such has raised the bar for sustainable architecture in China. Their wealth of knowledge regarding local materials has resulted in many unique projects, such as Just Grapes, which boasts rammed earth walls. In 2007, A00 also launched a collection of recyclable furniture based on laminated cardboard and plywood (and it's actually comfortable).