Hot runner system consist of hot nozzle,mainfold,temperature controller box and
accessories, etc.Spray nozzle generally includes pin point gate,direct gate,valve gate these three types.

Mainfold in a multi-cavity mould or multipoint feeding, single point feed but is used when a bias, material usually adopt P20 or H13, generally divided into two major categories of standard and non-standard, its structure is mainly composed of the distribution of cavity on the mold, the nozzle arrangement and gate location to determine.