Product Description P roduct name: Support Material:cast iron Treatment:processing after painting Specification: Inside Diameter,Outside Diameter and length are customization by your need. Features: *Compact Structure *Save Processing Time *High toughness Our firm has rich technical force and manaement experience,and has superior producing equipment and advanced measuring means.Our main products are as follows,a set of fittings of electric tool such as all kinds of spindles,and all kinds of cylinders,other pieces of aluminium processing such as gear cover,gearbox,auto parts and precision parts. Specification: