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  We are a professional high-tech company that develops, manufactures, and sells resistance welding controls and welding transformers.  We also provide technical services to our valued customers.  We have been in the resistance welding business for over 20 years.  With over twenty years of history and experiences, we have established a solid knowledge in resistance welding power supplies and related technologies.  We are dedicated to provide our customers with the best solutions for their resistance welding needs.  We work very closely with our partners to help us to improve our ability to make professional and innovative products.
1994 – first Sun series AC resistance welding controls were developed;
1999 – first resistance weld control network was developed;
2004 – Obtained ISO9001 from TUV
2006 – Developed SMF1 series MFDC (1KHZ) resistance welding controls
2008 – SMF1 passed tests from third party – RES lab;
2008 – Developed SVF1 MfFAC weld controls
2009 – “Intelligent MFDC weld controls for robotic weld applications” was listed in Tianjin High-tech technology and commercialization program
2009 – Was certified to be a Chinese national high-tech company;
2010 – SVF1 series MFAC (0-400Hz) weld controls passed third party test (RES, USA)
2011 – Developed SMF2 series MFDC Adaptive weld controls;
2013 – Developed SK-Network V1.0 Resistance Online Monitor/Management network system.
2014 –Developed MFAC Adaptive weld controls;
2015 – Developed MFAC/MFDC weld controls for micro welding applications;
2016 – Developed MFDC/MFAC/10KHZ-MFDC three in one weld controls.
  Sunke Company is now providing three major product lines – AC weld controls, SMF MFDC weld controls and SVF MFAC weld controls.
  Sunke Company is ISI9001 certified.  We produce more than 20,000 units of weld controls and weld transformers. Sunke Company is also a public company enlisted in Chinese small company share exchange, code 837178.