Dear Sirs, We are vietnamese shell button manufactures with Japanese onwner and Japanese technology.Our product are made of Trochus, ***** and ***** and river shell in diversed size, style and colors. Natural colors is also included.Our main market now is 80% export to Japan and Korea, the balance for domestic market.Up to know our product get a reputation in the market then we would like to expend the market globally.If you are interested in our product, please dont hesitate to contact me at ;Phone : 0084 985 402 839Skype : sehelazat85Yahoo : sehelazat85Thank you!Best RegardsAnna