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Adopt tin plating or oxygen free copper soldering
Beautiful apperance:even and velvet box apperance ,bright plating layer, beautiful,wing slices evenly distributes.
High pressure to endure::keep 1 minute under 1.5Mpa water pressure ,no pervasion and distortion come out.
Enough water flux:not less than 95%of rated flux at 1.0Mpa water pressure.
Endure strong continuous combustion;
Endure strong oscillation.
Cold and hot bending processes,full ranges, independently design,strong R&D,at your option.
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