Techsolf Sound& Light Technology Co., Ltd (Hereinafter as Techsolf Company) was established in 2001
and organized by several professional sound companies which were rich of experience.
  PASSTONE advanced professional loudspeaker systems were introduced into China by Techsolf Company.
  The products of PASSTONE professional loudspeaker systems are variety, whose applications are wide. So they
are idea selection for vast Chinese engineering clients.
  The business of Techsolf Company are including engineering design, construction, installation, debugging,
technician's training, post sale service of sound systems, KTV VOD systems, reference systems, pro lighting systems
and related all kinds of systems integration. In addition, the subsidiary performance company provides stage design,
computer lighting systems, line array sound systems, rental of performance equipments, etc.