SHANGHAI, May 20 (SMM) – On Tuesday night, SHFE 1507 tin contract fell to RMB 114,160/mt after opening at RMB 117,690/mt. The contract rebounded to RMB 117,000/mt later. On Wednesday, July tin on the SHFE ended down RMB 3,070/mt or 2.58% at RMB 115,850/mt. Trading volumes were up 20,028 lots to 27,600 lots, and positions were down 610 to 6,122. The contract should test support at RMB 115,000/mt during today’s night session.