Chicago Electric Equipment Manufacturers 4642 N Ravenswood Ave # 2 Manufacturers of pinhole detectors in linings, coatings and packages, vacuum leak detectors, surface corona treaters and science education equipment. Chicago IL Electric Equipment Manufacturers Electro Technic Products www.electrotechnicproduct.com electro-technic products spark tester corona surface treater vacuum leak testers pinhole detectors science education teaching equipment pharmaceutical vial test equipment tank lining pinhole detectors spectrum tubes magnetizers micromixers electro-technic products spark tester corona surface treater vacuum leak testers pinhole detectors science education teaching equipment pharmaceutical vial test equipment tank lining pinhole detectors spectrum tubes magnetizers micromixers Business Reviews Electro Technic Products Testimonials