Automatic moulding vertical line:use of electric furnace to ensure that the pouring temperature,with the use of Direct reading spectrometer bruker Q6(Germany),analysis of composition,strict control of material;automatic moulding line use vertical parting flaskless shoot squeeze technique,combine hanging core technology,constant speed casting,to produce high quality pipe fittings.Our company is the first enterprise use utomatic moulding vertical line to produce the fittings.Our fittings has the characteristics of the same size and weight, surface smooth,uniform wall thickness and so on.