Back shell forming line 1. High productivity and quality 2. Easy ... production line is special for mass-production manufacturing refrigerator back shell, the whole machine is composed by following parts loading machine ... ),420-620(W),0.3-0.5(H)4. applied raw material: zink-coated steel sheet5. circling time for production: ... about 26kVA(380v 50HZ),0.5—0.65Mpa Refrigerator Back Shell Forming Line