... 2Liter 2.material :HDPE ,PP ,PE ,PVC 3.double layer material 4.single station plastic product making machinery /blow moulding ... triple ,and quadruple ; which can devided in to single layer , two layer and transparenet line and ect . plasticizing system adopts frequency ... different motion designed ,which can assurance shift smoothly ,efficient and very fast .b. mould die head feeding from the center ...