Complex sentence: In August 2011, Seegene relocated its subsidiary in USA from Rockville, Maryland to Gaithersburg, Maryland for the expansion purpose, and New York short after, approved Seegene's Sexually Transmitted Infection (STI) diagnostic products to set for testings.
Split into simpler sentences: In August 2011, Seegene relocated its subsidiary in USA from Rockville, Maryland to Gaithersburg, Maryland for the expansion purpose. Shortly after in New York, Seegene's Sexually Transmitted Infection (STI) diagnostic products was approved for testings.