1.Preform injection mould from 1 cavity for wide mouth jar and gallon bottle preform up to 48 cavity narrow neck 2.Tube blank is designed with the help of computer, which surely contributes to the increasing of yield of bottle. 3.Employed internationally advanced two-step dual taper locating technology. Each cavity self-locks independently to ensure low decent ration of product; 4.Core and cavity are made of special mold steel after preheating treatment in the original factory in Sweden. Individual temperature control of all cavity. 5.Lip cavity is made of imported nitrated steel, which is of high hardness and long service life ,in accordance with international standard;