1.Ten years experience of welding manufacture 2.Approved EN ISO 3834-3, DIN EN ISO 3834-3, ISO9001:2008 3.Benz's supplier welding backrest for bus AL-00052supporting backrest welding bus backrestMaterialiron or other metal meterialServiceOEM, ODMQualityISO9000:2008 , EN15085-2, ISO3834-3Techniquewelding, stamping, bending, coating, injection moldingOther productsall product need to above ...