Zhangjiagang Longsn Machine Co., Ltd. is a professional manufacturer which integrating development, research, design, manufacturing, technical service and marketing to manufacture complete sets of packaging machines/packaging machine lines. The company is located in Zhangjiagang City on the South Bank of the Golden Waterway in the middle and lower reaches of the Yangtze River. It is adjacent to Shanghai, Nanjing, Suzhou, Wuxi and other large and medium-sized cities. It is very convenient for sea and land transportation along the Yangtze River.