By comparing the results from case studies and survey, it was found that the total cost of sourcing from China is usually under-estimated in practice. This is consistent with the finding of a paper by Holweg et al. (2008). We found from in- depth study that price accounts on average for about 2/3 of the total ongoing cost, albeit with a large range (From one quarter of the total ongoing cost to four-fifths of the total ongoing cost). However, the perceptions of companies were very different. On average they estimated that price accounted for four-fifths of the total ongoing cost, and with much less variability