Casted extension sleeve

Material . Austempered ductile iron Netweight.1.31kg We hold TQM as QM principle, quality management system runs well in all the process such as consult your enquiry,confirm the order, material purchase, manufacture ,inspect and deliver the parts. Four mainproduction process 1、Castings manufactured by the automatic moulding line for the great quantity; 2、Special machining process for this part; 3、Heat treatment for the material GGG80; 4、Surface treatment,Hot galvanized