Hangao technology adheres to technological innovation and develop high-performance weld bead rolling machine to meet the users’ requirements. We are glad to cooperate with our customers faithfully and sincerely, occupy international market and make a great achievements in the times of globalization. 

This system uses a pair of rollers to roll the weld bead repeatedly, whose rolling frequency up to 20 times per minute. It perform stably and reverse mildly. Minimize the impact that the machine make on the pipe in order to perform more stably.

PLC and hydraulic proportional valve is adopted to realize automatic control, high performance, high yield and easy installation. It has the function of error output, start input and linkage with the complete line.