Ningbo Aisa Screw machinery Co., Ltd is our trading company who supply exporting business for Zhoushan Flying Plastic Machinery Factory. It specialize in manufacturing high precision high quality bimetallic screw and barrel. It is located at Zhoushan main island. Their products are best spares for injection molding machine, plastic extruder and rubber extruder. After more than ten years hard-working and make progress, improvement and innovation, by virtue of exquisite production technique, excellent close service and strong speciality team, we win more and more customer's trust. Now we aim at the market request, build advanced bimetallic roasting furnace acknowledged in the industry. Bimetallic barrel has good advantages than nitrided barrel for good wear-resistant and corrosion-resistant. Thereby to resolve client's request for high quality bimetallic barrel. This makes the FLYING been another name for high precision high quality bimetallic barrel.