About Longsn

More than 18 years Professional leader manufacturer.

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bottle bagging machine manufacturer
cap assembly machine manufacturer
cap lining machine manufacturer
cap wadding machine manufacturer
bottle leak tester manufacturer

Industry-Leading Professional
Packing Machines Manufacturer

Zhangjiagang Longsn Machine Co., Ltd. is a professional manufacturer which integrating development, research, design, manufacturing, technical service and marketing to manufacture complete sets of bottle Packaging machine and Bottle bagger machine/bottle neck cutting machine/leak tester ,cap inserting/assembly machine ,Bottle handle applicator and so on . 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.

Our Capabilities

Longsn company factory covers an area of 8,000 square meters, has more than 10 professional design and development teams, and more than 30 professional production and installation commissioning engineers. We adhere to the policy of "market-oriented, quality-oriented, service-guaranteed and reputation-based". Longsn Machines follows the ISO 9001:2000 international quality management system, establishes and improves the quality assurance system to ensure the quality and performance of the company's products.
Factory Area
Professional Teams
Professional Engineers
Partner countries


Longsn company in order to adapt to the development of the global packaging machinery industry and provide high-quality machinery products for the vast number of new and old customers, mainly technology comes from Italy, France, Germany, Switzerland and Japan. With high-end technical personnel and high-quality team, we can provide customers with perfect and high-quality after-sales service in a timely manner. The company strives for survival by quality, development by service, and always aims at respecting contracts, keeping promises and high quality.


Longsn Machines has won the trust of customers at home and abroad with its high-quality R&D team, rich manufacturing experience and high-quality after-sales service. Its products are exported to Southeast Asia, Central Asia, Middle East, South America, North America, Central America, Africa and some European countries. Our company is willing to cooperate with people from all walks of life in equipment, develop together and establish long-term and stable business relations. We warmly welcome new and old customers to visit us.

Sales Market




    E-mail :
    Phone : +86-15995983945
   Add : No.8 Jiangfan Road , High Technology Industrial Zone , Zhangjiagang City , Jiangsu Province , China
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