Efficient reverse
logistic networks must be established in the formal sector to
facilitate take-back service, as the survey found out that 52.9% of
the large household appliances (e.g. TVs, air-conditioners and
washing machines) were picked up by buyers at disposal, as
compared with 38.2% of being delivered by owners to collectors'
sites, and 8.9% of being delivered by third parties at owners' costs.