1.Competitive price and best quality 2.Classical packing and fast delivery 3.High pure for Tin Ingot 4.Different ... .High purity(Sn99.99 Sn99.95 Sn99.90), excellent weldability, good infiltration. 2.Clean, beautiful.After welding, insulation, high resistance, low ... contamination, PCB board welding residual minimal. 3.Good oxidation resistance, low tin slag and cost savings. 4.Solder joint is bright, ...