power cord is the main product at the time when Lih Tzu established.
Many certifications of different countries' strandard are applied
as listed left.
country/region, in accordance with their volatge frequency, have
set up their own AC power cord cable, plug and sockets' standards.
AC power cord's quality has a significant influence on civilian's
safety of electricity usage, most nations have issued their own
electricity safety standards. Not many of them are the same. It
means, if you wish to introduce certain products into certain country,
your products have to pass their specific quality standard, either
cable, plug or sockets.
to other electronic appliances, such as computeríK.., are under
the regulation of IEC 320 standard. But, the mating cable, plug
and socket, still, have to meet their specific quality standard
in order to import to this country.