The Global Leader in Industrial Valve, Pipe Fittings and Related Products.



Up to 40 years of industry experience, Unimech started from a small industrial town of Butterworth in Malaysia. Initiated with only 3 employees and now a global player with 50 over subsidiaries worldwide.

1977 – 2000

  • 1977 Establishment of a partnership named United Mechanical Engineering Company in Penang,Malaysia.
  • 1979 Incorporation of Unimech Engineering (M) Sdn Bhd to takeover the partnership.
  • 1993 Incorporated sales network in Singapore, Multiplex Control & Engineering Services Pte Ltd
  • 1994 Diversify business into designing and manufacturing various kind of industrial products.  Established manufacturing plant, Arita Valve Mfg. (M) Sdn Bhd and register brand name  ARITA® for valve products.
  • 1996 Unimech Group Berhad (UGB) was incorporated in Malaysia on 25 October 1996 as a private  company limited by shares.
  • 1997 Established manufacturing plant, Unijin Instruments Industries Sdn Bhd and register brand name Unijin® for instrumentation products.
  • 2000 UGB listed on the Second Board of Kuala Lumpur Stock Exchange (KLSE:UMEC)

2000 – Present

  • 2000 Incorporated sales network, in Indonesia, PT Arita Prima Indonesia
  • 2002 Established first manufacturing plant in China, Arita Valve (Tianjin) Co. Ltd.
  • 2002 Incorporated sales network in Thailand, Unimech Engineering Group (Thailand) Co Ltd
  • 2003 Incorporated export base in China, Unimech (Shanghai) Co. Ltd
  • 2006 Incorporated sales network, in Australia, Unimech (Asia Pacific) Pty Ltd
  • 2007 UGB transfer of listing to Main Board of KLSE.
  • 2013 Subsidiary PT Arita Prima Indonesia, Tbk listed in Indonesia Stock Exchange (IDX:APII)
  • Today Unimech group has 9 manufacturing plants of which 7 in Malaysia and 2 in China and owns 6 brand distributed by over 50 subsidiaries and associates worldwide.

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