... pressure and flow .3.low noise,4.high precision 5.energy saving . pipe fitting injection machine , Produce all kinds of plastic ... control for pressure and flow .low noise,high precision and energy saving . We design,manuafcture and supply our own brand of ... .Mold part1.Five –fulcrum crankshaft structure , the mold and bracket structure together,with good rigidity and high-fitting precision, adopting ...