Reliable. According to Aiqi official website's inquiry, Sifang Hand-painted Postgraduate School is a formal company protected by official website's certification law, with no risk record, the actual operation is consistent with the certificate, and it has registered trademark, industrial and commercial department certification and business license, so it is more reliable. Stone hand-painted postgraduate entrance examination is an institution with hand-painted design and postgraduate entrance examination training for landscape architecture, industrial design and visual communication plane as its core.