We manufacture high and ultra high vacuum products to a variety of industries. Find high and ultra high vacuum products or request a custom quote.Just email us and get a quick reply! Qingdao Cinderella Industry &Trade Co., LTD Building 2,NO.397 Tailiu Road,Shibei District, Qingdao, Shandong 86-532-68876039 [email protected] http://www.cndbst.com/ Helen.Wong [email protected]