Yong An solder paste is made up of solder powder with low oxygen content,high roundness after advanced ultrasonic atomizing processes and soldering flux,independently rsearched and improved process based on the advanced Japanese soldering technology. The entire production is completed under the vacuum or nitrogen gas environment. It has comparatively high collapse resistance and good printabilityetc, so it is adaptable to print at fine pitch and can maintain long-term adhesiveness .
