Zhejiang Zhuxin Machinery Co.,ltd is willing to cooperate with customers in Macau to open up the market. We provide high quality crushing machine products, preferential factory prices, and professional after-sales services to provide impetus for the rapid development of your company! Manufacturers of Plastic Film Extruder, Blown Film Extruder, Film Blowing Machines, Blown Film Lines, Laboratory Extruders, Bag Making Machinesthe tube causing longitudinal elongation in the machine direction MD; this is known.