True Tone industries Limited History
1985 Formed Nam Fung company, Started to manufacture metal domes.
 
  1986 Joint Venture with Mel Bowman Assoc. USA Mel Bowman Assoc. is engineering & Marketing house in USA whose expertise is in metal contact parts (metal domes).
 
  1987

Reform the Company named as True Tone Industries Ltd., continuing in metal domes manufacturing.

 
  1989 Purchased our own Factory Plant in Camel Paint Factory Building.
 
  1990 Started to manufacture metal domes by Top Grade Japanese materials only.
 
  1993 Moved and expanded our factory plant at Winner Factory Building .
 
  1994 Installed E.D.M. machines to stabilize our Tools.
E.D.M. Machine
 
  1996 Installed Taiwan made Automatic Presses both to improve product stability and production volume.
 
  1998 Imported Gold, Silver or Nickel-plated stainless steel to meet some particular customers’ requirements.
 
  1999 Doubled our manufacturing floor again to meet market demand up to monthly output of 30 million pieces of domes.
 
  2000

Imported various measuring & testing equipment specially designed for electrical switches industries to support both our customer’s quality requirements and us.


Life Test Machine
 
  2002 Certified ISO 9001:2000 Manufacturer by TUV on Feb 2002.
 
  2003 The 4th time doubled our manufacturing floor to improve production management & control .
 
 

2005

 

Adding numbers of high speed automatic presses to increase the productivity to 40 million pieces of domes per month.
Planning seriously to upgrade our technology, technique and equipments for our tools fabrication.

   
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