Long Beach Carbon and Graphite Products Mfrs 2000 W Gaylord St Electro-Tech Machining (ETM) is one of the leading graphite machine shops in the United States. We specialize in graphite machining and fabrication. ETM has provided high quality graphite products to our customers for over 65 years. Long Beach CA Carbon and Graphite Products Mfrs Electro Tech Machining www.etm-lb.com etm graphite machining edm machining engineered graphite components etm graphite machining edm machining engineered graphite components Business Reviews Electro Tech Machining Testimonials