China tension springs for b & d panel lift doors supplier
USD $0.3 - $0.3 /Piece
Min.Order:1000 Pieces
Foshan Shunde Aofeng Spring Co., Ltd
This extension spring is made by advanced automation machine with high temperature to strengthen and finalize the shape, which has high accuracy and good stability. And it has been proved by experiments that it can stand more than 100,000 times of fatigue testing.
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• Customized Specifications Accepted Small Orders Accepted