we are a professional machinery manufacture. hydraulic transmission,low noise, high efficiency easy and safe to operate ... the vest bag,flat-opening bags.2.Characteristic:Uses the hydraulic transmission,the noise is small,the efficiency is high,the ... Knife Size: 10cm, 12cm, 15cm, 17cm, 20cm, 22cm Laizhou Liangong Machinery Co.,Ltd. is professional plastic machine manufacturer. Our factory was ...