Factory supply excellent welding lead free tin solder bar & tin solder wire

NINGBO SSTS WELDING CO.,LTD. is specializing in manufacturing and exporting welding materials since 2007. We load in Ningbo of China where are have big seaport easy for export. And near Shanghai where are convince for SSTS client come to visit us. SSTS have more then 200 m2 office in Ningbo 'Shanghai fortune mansion, and Owen workshop in Ningbo Zhenhai Industry Develop Zone with round 50 workers and Big warehouse ,also have ARL instrument to control exact content of metal....