Imported baked blue needle spring Not easy to rust and good elasticity Not easy to break off Not easy to cause deformation Durable. ABS Resin clarinet G tone. Key rod, key cap: Cupronickel material Durable Surface treatment Not easy to ageing Long service life. Adopt numerical control opening. No error in opening design. Hand-assembled reduces the error of each tone. High quality cork wood. High quality cork wood Quality imported cork wood Musical instruments Sealability Better Tone quality is more beautiful. The pipe body is made of bakelite material The tone is round and full ABS Resin tube body nickel-plated key Make the whole instrument elegant and luxurious.