at the same time, environmental barriers will be troubled wenzhou shoe exports.currently, the european union and the united states by virtue of its own technical and economic strengths, keep making stringent safety, environmental protection, health, and so on technical standards and environmental standards, on the export of shoes.as cardy boots most labor insurance shoes in order to obtain eu ce certification mark, shoe leather pcp residues determination to be strict, and so on.in addition, the area of concern in the united states ugg boots tall the consumer goods safety improvement act in 2008 to enter into force on 14 august, where the export of american children shoes make a mandatory requirement for the ugg classic argyle knit technical specifications.