Xi'an ANCN Smart Instrument Inc. Oratio Solum V, Aedificium CIII, Xirui Industrial Park, No. DLXIX, Jincheng III Via, Economic et technicae progressionis Zonam, Xi'an, Shaanxi, Sinis. E-mail alexis@ancn.com ray@ancn.com Phone +86 18629360256+86 13474133046