... paste,welding oil solder paste for BGA NT 50G High Quality yellow paste,welding oil solder paste for BGASpecifications1, the help ... with the cream welding solid durability, easy to welding, quickly clean, good insulation, including acid is better. Used in general ... instrument, copper, tin, iron to wait JinShuQi welding.Welding before wipe clean surface of article, put on this cream in the copper ...