... provided the call system since 1999, based on the belief “Professional, efficient, perfect solutions”, the call system have been used in many hospitals, ... our call system. In 2002, Blackfish was successful to develop the foreign market, our clients are from Southeast Asia, ... can provide the OEM/ODM service.Blackfish have passed the ISO9001:2000 certificate in 2008, besides, we have passed the China 3C ...