Vacuum Research products are sold, supported and serviced directly from our factory in Pittsburgh, PA USA and worldwide by our distributors
Shanghai EJH Group Co., Ltd
S&G Tech Co., Ltd.
Room 909-2, 9th Floor, D-dong, Songdo BRC Smart Valley
30, Songdo Mirae-ro, Yeonsu-gu
Incheon Metropolitan-city 21990
East Changing Technologies, Inc.
Room 2203, Building B, Shiji Kemao Mansion
No.66 Zhongguancun Dong Road, Haidian Dist