About SJH

     SJH was founded in 1965 in Kaohsiung，Taiwan，with capital of US$3.7 million。Over the following 50 years，we achieved worldwide success in the design and manufacture of electric heaters，which established SJH as a leader in the industry。

     In 1988，we inaugurated SJEH，the new plant in Shenzhen，China，and acquired ISO 9002 certification in 1996。

    We also acquired ISO 9001 certification in 2003 and ISO 14001 certification in May 2006。

     In 1990，we established SJHI，our second plant in Xiamen，China，for which we acquired ISO9002 certification in 1996，ISO 9001 certification in 2001，and ISO 14001 certification in September 2004。

     In 1999，we set up SKH，our third plant in Xiamen，and acquired ISO 9001 certification in 2001 followed by ISO 14001 certification in September, IATF16949 certification in September 2017。