... , based on the belief “Professional, efficient, perfect solutions”, the call system have been used in many hospitals, banks, hotels, restaurants ... the 150 hospitals and 2000 restaurants have been installed our call system. In 2002, Blackfish was successful to develop the ... and America. In addition, we can provide the OEM/ODM service.Blackfish have passed the ISO9001:2000 certificate in 2008, besides ...