Please contact us through the following methods: Email：sales@itg-semi.com Tel：+1(469)-786-0128 (U.S.) +65-6518-9486 (Singapore) Address: 1255 W 15th Street, Suite#325, Plano, TX 75075, USA （US HQ) #09-06, ALICE@Mediapolis, 29 Media Cir., Singapore 138565 (Singapore HQ）