History

                                                              

April 1986 

manufacturing of optical units for PPC machines

Nov. 1987 

manufacturing of machine metal parts

April 1988  

manufacturing of lenses

Nov. 1988 

manufacturing of Auto-level

April 1991

established Sales Department 

Nov. 1993

entered into a processing contract and began preparing for
production in Shilong, PRC

April 1994   

production of optical units for photocopy machines in PRC factory

June 1994 

manufacturing of Rotating Laser

June 1996

established a joint venture company, Hirose TH (HK) Co. Ltd. with Hirose Electronics System Co. Ltd.

July  1996    

manufacturing of wire harnesses and  PCB assembly

Nov. 1998   

obtained ISO 9001 certification

Feb. 1999

moved metal and lens processing to Shilong PRC

June 1999

started processing of digital lenses optical units for digital units

June 2000   manufacturing of lens units for projector
April 2001   obtained ISO 14001:1996 certification
May 2001   manufacturing of DVD pick up parts
July 2001   established a joint venture company, THH
Dec. 2001   moved all lines from Hong Kong factory to Shilong
June 2002

New factory opening