... the compactness of the copper alloy, a cold rolling technology is used to make 17mm rod into ... 8mm rod. Φ17-Φ8mm rolling mill1. Usage: To improve the compactness of the ... copper alloy, a cold rolling technology is used to make φ17mm rod into ... Composition: The equipment consists of pay-off, two-high rolling mill, take-up, emulsion system and electronic control ...