Hello,        We specialize in design, research and manufacturing iron,aluminum, steel casting and have our own factory.        If you need these parts,please send the drawing or samples to us.I will make the best quotation. Best regards, John --------------------------------------------------- JiNing RuiDe Co.,Ltd Address:The hi-tech industry park,JiNing City,ShanDong Prov.China  272000 Tel:0086-537-2232899 E-mail:rdjdjohn@hotmail.com