custom quare o-ring for led display warter proof 

custom quare o-ring for led display warter proof 

custom quare o-ring for led display warter proof  procedure:

1.design  ,2 rapid prototype service  by cnc machining 3.  Stamping,  5. Surface treatment: deburring, Brushing,adnoize etc    6.Inspection and packing,

2 material :copper ,brass ,5052  plate as the clients’requirement

3.Size:mm ,weight

4. Application:   LED DISPLAY

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