Vancl

Percentage of complaints: 10.77%

Response rate: 83%

Established in 2007 as a specialty men's shirt e-retailer, Vancl has become a leading internet-based apparel retailer in China. Available only online, it offers shoes, clothes, household articles and accessories. The retailer distributes goods -- for cash on delivery -- across 1,100 Chinese cities. Most complaints concerned orders canceled by the retailer itself.