SHANGHAI, Jun. 30 (SMM) –On Friday, SHFE 1709 tin opened at RMB 145,810/mt. The most active fell to RMB 144,850/mt, but then rebounded and finally ended up RMB 900/mt or 0.62% at RMB 145,650/mt. Trading volumes increased 2,948 lots to 17,474 lots, and positions increased 1,014 lots to 21,676 lots. China’s official manufacturing PMI hit this year’s second highest at 51.7 in June and held above 50 for 11 months in a row. SHFE 1709 tin failed to break through RMB 146,000/mt and will fluctuate at highs.