SHANGHAI, Jul. 30 (SMM) – In Shanghai physical tin market, mainstream traded prices followed LME tin up to RMB 140,300-141,300/mt on Tuesday morning. Yunxi, Yunxiang, Feidie, Nanshan and Weitai brand tin were more popular than other brands. In the afternoon, tight supply allowed suppliers to raise offers further, pushing mainstream traded prices up to RMB 141,000-142,000/mt. Yunxi brand tin was offered at RMB 142,500/mt, but trading was thin. Higher prices drove downstream producers to the sidelines.