We Shenzhen Maichi Intellient technology Co., ltd. is a professional manufacturer specialized in designing and manufacturing high-quality security and intelligen products including video door phone, home automation system. We have been in this business since 1997 and have passed ISO9001 Approval, CE Approval, FCC Approval, ROHS Approval, A-TICK and C-TICK Approval. We have supplied excellent products and outstanding services to more than 40 counteries an and regions and have long-term sales agency in Australia, Ukraine, Russia etc. We provide both OEM and ODM. Services.