... plating ,powdered,pas 3,Great quantity get lowest price. Leaf Spring, 1.Material:steel,stainless steel.brass,aluminum,brass ... and first-class producing process Our Advantage; 1 FactoryEstablished in 2000,got SO 9001-2004 approved2Casting experience Over 15rs ... and We can make according to your design7Production euipmentproduction line of investment casting introduced from Taiwan,spectrum analyzer device ...