Before Poltrona Frau went public last week, it issued a prospectus containing seven pages of risk factors, including warnings about potential difficulties in enforcing intellectual-property rights and the highly competitive nature of the industry.

• 波尔托那?弗劳本周上市前发布了一份内含七页风险指数的招股说明书，对知识产权权利的加强和本行业存在的高竞争性等潜在困难提出预先警告。