★ اصلي نباتي رولر : 20 320 ملي میتر (د بویټ له مخې توپیر) rol فشار رولر ¢ 370mm , preheat رولر ¢ 400mm.
★using negative pressure type design, low heat loss,helps the core paper to press evenly and close to the surface of corrugated roller, make the <···