The company, 武汉杨森生物技术有限公司, is located in the Wuhan Overseas Scholars Business Park and led by Dr Ouyang, a 40 year old medical doctor who did his postdoc at Hannover Medical University with Professor Haverich. The 3 layer structure is based on a polyurethane base with silk powder layers. It is highly flexible and biocompatible up to 10 years.

China Industrial Biotechnology Network, May 7, 2013