Mahajak Industry Company Limited was established in 1969. Our company started off by producing best quality bolts and nuts that have been well accepted and acknowledged by the customers both nationally and internationally. By constantly applying state-of-the-art technology in manufacturing and management, we thrive our way to become the leading manufacturer of bolts and nuts, cold forging parts, hot forging parts and machine parts and, as a result, gain trust and loyalty from all our valued customers all through the years. Recently, to serve the increasing demands of our customers, we have decided to expand our production capacity by establishing 2 new companies which are: Mahajak Engineering Company Limited and Mahajak Autoparts Company Limited respectively.


1969:     Establishment of company on present site.

1970:     Start of operations.

1987:     The Company was accepted as the only local structural bolt and High Strength Friction Grip bolts for the Rama IX Bridge.

2000:     ISO 9002 certification for Fastener.

2007:     Achieved ISO/TS 16949:2002 certification.

2010:     Achieved ISO/TS 16949:2009 certification.

2010:     Achieved ISO 14001:2006 certification.

2013:     Achieved OHSAS 18001 certification.

2017:     Achieved ISO 50001:2011 certification.

2019:     50th anniversary celebration.

ISO Certificate