custom quare o-ring for led display warter proof

o-ring for waterproof

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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