Key process
prepare the material→starving tube and shaping→inserting fins and
enlarging tube→ leakage test→keeping pressure→packing
Producing capability：500,000 sets per day
Key process
tube bending, welding, fix the bracket, weld the suction tube, leakage test, coating, folding or bending shaping, inspection, package
Producing capability：40,000 sets per day
Key process
preparing materials – cleaning – roughing surface-printing –riveting- rolling – annealing -
blowing up –punching –folding and sharpening –adding the capillary – assemble welding –
leakage testing – cleaning and drying – coating -curing- inspection – packing.
Producing capability：20,000 sets per day
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