... espresso coffee maker boiler, which be welded by laser beam, have strong welding line and take the pressure over 45 bar. Guizhou champion electric ... , main products as follows: 1. Espresso coffee machine boiler and steam boiler and hot water boiler The espresso coffee maker boiler, which be welded by ... 3. CNC machining parts 4. Stainless steel surface mirror polish. espresso coffee maker boiler