Dear Nattakit san,
Our supplier is in under discussion with some testing agency for these tests.
As of now our supplier has discussed with SGS, SPECTRO testing agency & they refused to do the tests.
Pl first let our supplier to find out testing agency who can do these tests after that I will let you know about samples.
If possible can you conduct these tests at HAC-AO or HAC-T b'coz we are facing problem to find testing agency who can do these tests.