... CE, ISO, CCS certificates 3. high quality and competitive price twin/ double/ two screw pump(1) AbstractBased on market demand, Hangzhou ... Xinglong pump Co.Ltd. develops double-suction twin screw pump, which is strictly designed according to GB/T11035 ... : 1~3x106mm2/sTemperature: -50~320(4) Product Photos: XS series twin screw pumps for oil production, glue, liquid starch, etc