Coastal Instruments is attending Semicon China 2015March 17, 2015|Mass Flow Controller News Home » Mass Flow Controller News » Coastal Instruments is attending Semicon China 2015 Our subsidiary, Coastal Instruments (Dandong) Co. LTD., is exhibiting at the Semicon-China show in Shanghai this week. If you just happen to be attending stop by our booth #4257 and visit with Sunny, Roy, Carol, and Summer.