History
Since its birth in 1956, Tong Cheng’s core spirits are honest and humble; never compromise in quality of the air compressors it made, which are sold all around the world.

Followings are our milestones:

1956 Establishment. 1964 Expansion for exportation. 1967 Sole distributor of SMC in taiwan.
1970 National defense subcontract plant. 1976 Development of big heavy duty oil-less air compressors. 1980 Development of ortary screw air compressors.
1981 Computerization of the whole plant. 1988 Successful development of the S series 3rd generation. 1990 Set up the lndonesian company.
1995 Successful development of oil-less air compressors. 1997 Set up the thailand plant.

 
1998 Successful development of self-lubricated type air compressors.
1998 ISO 9001 certified. 1999 Successful development of air boosters. 2000 CE certified.
2003 Set up the vietnam plant. 2004 Set up the china plant. 2005 SWAN re-union activity at pattaya.
2006 Successful development of CD series.  2007 SWAN re-union activity at bali. 2010 SWAN re-union activity at sun moon lake (taiwan).
2011 Successful development of TS series.  2015 SWAN 60th anniversary re-union activity at taiwan. 2015 Successful development of SCROLL series.
2017
2017 , Passed the High Efficiency Subsidized Standard of Air Compressors,
issued by Bureau of Energy, Ministry of Economic Affairs. (Manufactured in Taiwan)
2018 ISO 9001:2015 certified. 2018 ISO 8573-1 certified.
2018 DT-202C of taiwan excellence 2019 award winning. 2018  2018 , Pressure Vessel are certified to meet the requirements of the European Pressure Equipment Directive 2014/68/EU, with CERTIFICATE No.: PEMH1.0003. (Manufactured in Taiwan)