tell me the company's webpage, and i will tell you within a minute if it is legitimate.
if they are dealing with electronics, they are almost certainly frauds.
often, but not always, phone numbers are not connected, or are mobile numbers.
street addresses are invariably fictitious, and not structured the way indonesian addresses should be, indicating some foreign influence. there are many african fraudsters operating such websites using indonesia as their base.
they will generally insist on bank transfer payment to an account in the name of a person (ostensibly an Indonesian). rarely is a company name used.
and their prices are often unbelievable. indonesia is not a major electronics manufacturing country, so this in itself should raise suspicion.
KuKuKaChu: dangerously too sophisticated