colored compression spring 1>ISO9001&ISO14001 quality system 2>OEM provided as custom-design 3>EXW price:competitive Colored Compression springItem:Compression springSeries:cylinder Material :spring steel, stainless steel,zinc plating steel,etcSpec:We can offer the wire diameter from 0.08mm up to 10.0mm,Surface Treatment:Powder coating,neikel plating,chrome plating,zinc plating,etcUse:Widely ...